There are 12 red counters and 18 blue counters in the bag.
How to calculate the probability?We can use the formula for conditional probability to find the number of red and blue counters in the bag.
The probability of both counters being blue is:
P(blue and blue) = P(blue | blue) * P(blue) = (y/ (x+y)) * (y-1) / (x+y-1) = 57/100
We can then use this equation to find the value of y:
y = ((x+y) * 57/100) / ((x+y-1) * 100/57)
We can also use the equation:
P(red | blue) = P(red and blue) / P(blue) = P(red) * P(blue) / P(blue) = x * y / (x+y)
We can then use this equation to find the value of x:
x = (57 * (x+y)) / (100 - 57)
Now we have two equations with two variables:
y = ((x+y) * 57/100) / ((x+y-1) * 100/57)
x = (57 * (x+y)) / (100 - 57)
We can use the first equation to solve for y in terms of x and substitute into the second equation:
x = (57 * (x + (((x+y) * 57/100) / ((x+y-1) * 100/57)))) / (100 - 57)
Solving for x, we get x = 12 and y = 18
Therefore, there are 12 red counters and 18 blue counters in the bag.
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hi please help i need help whats 7 + 4 ive been stuck on this for hours and no one takes me seriously i called the one phone number that i knew but all 911 did was laugh at me and hang up PLEEEEEASASASE
Answer: 11
Step-by-step explanation:
Answer:
uh. 11
Explanation:
7 + 4 = 11
Alex i planting flower. She want to put 3 flower in each pot. Write an expreion to how how many pot he need to buy. Ue x for your variable
Alex needs to buy x / 3 pots to put 3 flowers in each pot.
What is variable ?
A variable is a value or a quantity that can change or take on different values in a mathematical expression or a scientific experiment. In mathematics and computer science, variables are often represented by letters or symbols, such as x, y, z, etc. These letters or symbols are used to represent an unknown value.
The expression to find the number of pots Alex needs to buy to put 3 flowers in each pot is ,
x = 3 flowers per pot
Number of pots = Total number of flowers / Flowers per pot
Number of pots = x / 3
So, Alex needs to buy x / 3 pots to put 3 flowers in each pot.
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x = 3 flowers per pot
Number of pots = Total number of flowers / Flowers per pot
Number of pots = x / 3
So, Alex needs to buy x / 3 pots to put 3 flowers in each pot.
How do you know that a given trinomial is a perfect trinomial?.
When a number is multiplied by itself, the result is the perfect square. The same two binomials are multiplied to produce the perfect square trinomial, which is an algebraic expression. This is the first condition to know that a given trinomial is a perfect trinomial.
A binomial expression has two terms, a variable and a constant, which are either separated by the "+" or "-" sign, whereas a trinomial expression has three terms. The "+" or "-" sign is used to denote the separation of terms in trinomials as well. There are typically two forms of a perfect square trinomial. in other words, a2 + 2ab + b2 or a2 - 2ab + b2. Let's now examine the procedures for converting a given binomial into a perfect square trinomial and vice versa. If a trinomial is given, we can determine if it is a perfect square trinomial.To learn more about polynomials here
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4.
Use the FlashCard statement to answer the question below.
ACCOUNT INFORMATION
Account Number
TRANSACTIONS
9 MAY
12 MAY
15 MAY
18 MAY
21 MAY
SUMMARY
3291684271 Fanelli Furs
594683219 Brooklyn Pets
7677095385 Maple Garage
8765713281 PAYMENT
321447162 Caruso's Restaurant
Previous
Balance
$420.50
4-10700000
Total Credit Line
Total Avalable Credit
Payments
New
/ Credits Purchases
$150.00
$1.227.24
$3,000.00
$1,661.51
Billing Date
Late
Charge
$0.00
Average
Daily
Balance
$1,199.97
30 May Payment Due
Finance
Charge
$19.80
#Days
in Billing
Cycle
30
8 Jun
DEBITS/CREDITS (-)
New
Balance
$1,517,54
APR
19.8%
$975.00
$32.50
$178.21
$150.00
$41.53
Minimum
Payment
$30.00
Monthly
Periodic
Rate
1.65%
What is the sum of all Payments made during the billing cycle?
The sum of all Payments made during the billing cycle is $975.00
What is the subtractions?
A subtraction is a mathematical operation that is used to find the difference between two numbers. It is represented by the symbol "-" or the word "minus". Subtraction is the inverse operation of addition, meaning that if you add two numbers and then subtract one of those numbers, you should end up with the original value of the other number.
In the FlashCard statement provided, the "DEBITS/CREDITS" section lists all the transactions made during the billing cycle, including payments, purchases, and credits. The payments are listed as negative numbers, indicating that they are subtractions from the balance. The sum of all the payments is calculated by adding up all the negative numbers listed in this section. In this case, it is $975.00.
It's also important to note that this section of the statement lists the transaction made on different days, in the case provided from 4 May to 21 May.
In summary, the sum of all Payments made during the billing cycle is $975.00 which is the total of payments made during that period.
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Rounding Money
Round the nearest hundredth.
33.333
Evaluate 1/2yz
if y= 3/5
and z= −1 7/8
Write your answer as a fraction in simplest form.
To evaluate 1/2yz when y = 3/5 and z = -17/8, we first substitute the given values for y and z into the expression:
1/2(3/5)(-17/8)
Next, we can simplify this by multiplying the fractions:
1/2 * 3/5 * -17/8 = (-3/10) * (-17/8)
To multiply the fractions we multiply the numerators and denominators separately:
(-3/10) * (-17/8) = (-3 * -17)/(10 * 8)
Then we can simplify the numerator by combining like terms:
(-3 * -17)/(10 * 8) = 51/40
So the final result of the expression is 51/40.
Answer:
_51/80
Step-by-step explanation:
1/2*3/5*_17/8
1/2×3/5×(_17/8)
3/10×(_17/8)
_51/80
A box containing 300 similar chocolates weighs 6150 g. The same box containing 250 similar chocolates weighs 5.15 kg. What is the mass of the empty box? Give your answer in kilograms.
Answer:
Step-by-step explanation:
as the there is a box one time had :
300-----> 6150g
2150----> 5150g ( 5.15 kg converted to grams which is time 1000)
divide each number on its weight you will find the difference is 20.5 g which is the weight
6150/300= 20
5150/250= 20
Put thee in acending order
A
7. 9
×
10
2
B
0. 0079
×
10
3
C
790
×
10
−
3
D
79
When we put the following numbers in ascending order, the order becomes 790×10^-3 < 0.0079 × 10^3 < 79 < 7.9 × 10^2.
In ascending order, we need to arrange any given set of data in such a way that the smallest number comes first, and then comes the next bigger number, and then the next bigger, and so on. The largest number in that given data set comes at the end. We have to arrange the following in such a manner as well.
Since we can deduce that 790×10^-3 is the smallest of the lot, it comes first. The next bigger number is 0.0079 × 10^3 and so, it comes right after that. Just after this is the number 79 and then, the largest number of this data set is 7.9 × 10^2 and so, it is at the last. Hence, the order is as such -
= 790×10^-3 < 0.0079 × 10^3 < 79 < 7.9 × 10^2.
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An online furniture store sells chairs for $100 each and tables for $450 each. Every day, the store can ship no more than 18 pieces of furniture and must sell no less than $3200 worth of chairs and tables. Also, the store must sell a minimum of 8 tables. If xx represents the number of tables sold and yy represents the number of chairs sold, write and solve a system of inequalities graphically and determine one possible solution.
PLEASE HELP THIS IS AN EMERGENCY
The inequality expression and solution to a system of inequalities graphically is xx + yy <= 18
We can represent the system of inequalities as follows:
xx + yy <= 18 (representing the maximum number of pieces of furniture that can be shipped)
A possible solution could be:
xx = 8 (number of tables sold)
yy = 10 (number of chairs sold)
How do we express the inequality?100yy + 450xx >= 3200 (representing the minimum amount of money that must be made from the sale of chairs and tables)
xx >= 8 (representing the minimum number of tables that must be sold)
To graphically represent this system of inequalities, we can begin by graphing the first inequality in a coordinate plane. The inequality xx + yy <= 18 can be represented by a line with the equation y = -x + 18.
Next, we can graph the second inequality. The inequality 100yy + 450xx >= 3200 can be represented by a line with the equation y = -(4.5/5)x + 80.
Finally, we can graph the third inequality, which is a horizontal line at y = 8.
Now we can graph these three inequalities, one line for each inequality, and see where they intersect. The point where all three lines intersect is one possible solution for the system of inequalities.
A possible solution could be:
xx = 8 (number of tables sold)
yy = 10 (number of chairs sold)
However, this solution is within the constraints of the problem and satisfies all three inequalities.
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Is √ 64 a real number?.
Yes. 64 is a real number. Real numbers can be expressed as infinite decimal expansion.
Real numbers includes integers, natural numbers. Real numbers can be of positive and can be of negative numbers. Real numbers can be both a rational number or a irrational numbers. These two are the main groups of real numbers. Rational numbers are written as the ratio of two integers. Irrational numbers are not written as the ratio of two integers. Irrational numbers are the type of real numbers. 64 is a real number as well as a perfect square of a number. It is a perfect square of the 8. This explains the properties of Real numbers.
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What is the first step in solving the equation 20=6x-4 solving for x ?
Subtract 4 from both sides.
Subtract 20 from both sides.
Add 4 to both sides.
Divide both sides by 6 .
Answer: Add 4 to both sides
Hope this helps :)
Step-by-step explanation:
20=6x-4
+4 +4
24=6x
/6 /6
4=x
Is the inverse of a parabola a function?.
There is no inverse of the parabola function
An open curve or conic section known as a parabola is created when a right circular cone and a plane perpendicular to one of the cone's elements cross. It is a quadratic equation-defined symmetric U-shaped curve. A function's inverse is the graph of the function projected over the line y=x.
There is no inverse function for the parabola because it is not a one-to-one function. A one-to-one function is one in which every element in its domain corresponds to precisely one element in its range. It's not a one-to-one function in a parabola because as the x value increases, the y value might take a variety of values and vice versa. It can't be inverted because of this.
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HURRY PLEASE!
Which function matches the following description?
"when finding the difference of the input and six, you will get the output"
A. x=y-6
B.y = 6 x
C.y=x-6
D. x = 6-y
Answer:
C. y=x-6
Step-by-step explanation:
x is input
y is output
difference is subtraction
Answer:
C.y=x-6
Step-by-step explanation:
x is input
y is output
output = input - 6
y = x - 6
what is the slope and y-intercept of the graph below?
The y-intercept is 1 at the position (0,1) when x is 0 and y is 1.
What are the graph's slope and y-intercept?When the line to be examined's slope is known, and the provided point also serves as the y intercept, the slope intercept formula, y = mx + b, is utilized (0, b).
B stands in for the y value of the y-intercept point in the formula.
The y-intercept of a graph is the place where it crosses (or contacts) the y-axis, according to the definition of y-intercept.
The x-coordinate is known to be zero on the y-axis.
Therefore, the equation for determining the y-intercept of a function y = f(x) just requires the substitution of x = 0 and y-solving.
The slope is the ratio of Y change to x change:
Slope = (0-1) / 4-0) = -1/4
Slope = -1/4
When x equals 0, the Y value is known as the Y intercept.
The y-intercept is 1 at the position (0,1) when x is 0 and y is 1.
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i need help doing thissss!!!
Answer:
9
Step-by-step explanation:
[tex] | \sqrt{130 \: } | { \: }^{2} \: = |7| {}^{2} + |x| { \\ }^{2} \\ [/tex]
= 130=49+x²
=130-49=x²
=81=x²
[tex] \sqrt{81 \: } = x \\ x = 9[/tex]
Therefore the third side is 9
Let f(x) = g(x) ⋅ h(x), where g(x) i a linear function with an x-intercept of 2 and a lope of 4, and h(x) i a quadratic function with vertex (−2,−8) paing through the origin. What i f(x)?
The function f(x) is [tex]-32(x - 2)(x + 2)^2.[/tex].
A linear function has the equation f(x) = mx + b, where m is the slope and b is the y-intercept. In this case, g(x) is a linear function with an x-intercept of 2 (meaning it passes through the point (2,0)) and a slope of 4. So the equation for g(x) would be:
g(x) = 4(x - 2)
A quadratic function has the equation f(x) = [tex]a(x - h)^2[/tex] + k, where (h, k) is the vertex of the parabola. In this case, h(x) is a quadratic function with vertex (-2, -8) and passing through the origin (0, 0) so the equation for h(x) would be:
h(x) = [tex]-8(x + 2)^2[/tex]
Now since f(x) = g(x) ⋅ h(x), we can substitute the equation of g(x) and h(x) in the equation of f(x) to get the equation for f(x) :
f(x) = [tex]g(x) *h(x) = (4(x - 2)) * (-8(x + 2)^2)[/tex]
f(x) =[tex]-32(x - 2)(x + 2)^2[/tex]
So the function f(x) is [tex]-32(x - 2)(x + 2)^2[/tex].
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I WILL GIVE YOU BRANLIST OF YOU HELP ME WITH THESE TWO PROBLEMS
Answer: a)False
b)False
c)True
d)True
Step-by-step explanation:
a) the are more crosses marked in the less than 1 mile side (false)
b) the most common one in this is 1/2 mile (false)
c) 5/8 mile is actually empty so it is (true)
d) this is (true) as the shortest one is 1 therefore 1 x 5 is 5 so it is true
12 of the 30 watermelons were ripe.
a. what fraction of the Watermelons were right?
b. what percent of the Watermelons were ripe?
c. If one of the Watermelons is picked at random, which is more likely: That the watermelon is ripe or is not ripe. Why?
The fraction of the watermelons that is ripe is 2 / 5.
The percentage of the watermelons that is ripe is 40%.
The water melons that is not rip is more likely to be picked at random because it is more in number
How to find the fractions of watermelon?12 of the 30 watermelons were ripe. The fractions of the watermelon that are ripe can be calculated as follows:
fraction of watermelon that are ripe = 12 / 30
fraction of watermelon that are ripe = 6 / 15
fraction of watermelon that are ripe = 2 / 5
Hence, the percentage of the water melon that are ripe can be calculated as follows:
percentage of water melon that is ripe = 2 / 5 × 100
percentage of water melon that is ripe = 200 / 5
percentage of water melon that is ripe = 40%
If one of the watermelons is picked at random. It is more likely the watermelon that is not ripe is picked. This is because the unripe watermelon has a higher probability of been picked because it is high in number.
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This is meant to be easy apparently, help please
The value of the function f ( g ( 6 ) ) = -6
What is Composition of functions?Evaluation of a function at the value of another function is known as Composition of function. A function composition is a process in which two functions, f and g, form a new function, h, in such a way that h(x) = g(f(x)). This signifies that function g is being applied to the function x. So, in essence, a function is applied to the output of another function.
Given data ,
Let the first function be represented as f ( x )
Let the second function be represented as g ( x )
Now , the value of f ( x ) = 6 - x
The value of g ( x ) = x + 6
To calculate the value of f ( g ( 6 ) )
Substitute the value of x = 6 in the equation , we get
g ( 6 ) = 6 + 6 = 12
Substitute the value of x = 12 in f ( x ) , we get
f ( g ( 6 ) ) = f ( 12 )
The value of the composition function , we get
f ( 12 ) = 6 - 12
f ( 12 ) = -6
Hence , the value of the composition function f ( g ( 6 ) ) is -6
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What is a range answer 4?.
The range in statistics for a given data set is the difference between the highest and lowest values.
As a result, the range can also be defined as the difference between the highest and lowest observations. The range of observation is the name given to the outcome. In statistics, the range indicates the dispersion of observations.
To find the range in statistics, we need to arrange the given values or set of data or set of observations in ascending order.
For example, if the given data set is {2,5,8,10,3}, then the range will be 10 – 2 = 8.
Thus, The range in statistics for a given data set is the difference between the highest and lowest values.
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Please help, its geometry and its multiple choice question.
In the given figure the Δ LHK is similar to ΔL'H'K' and also ΔL'H'K' is the dilation of Δ LHK centered at the origin with a scale factor of 3/2.
What are Similar triangles?Similar triangles, are those triangles which have similar properties,i.e. angles and proportionality of sides.
Here,
As shown in the figure,
Two triangles are given,
Δ LHK and ΔL'H'K'
Scale factor,
L'H'/LH = L'K'/LK = H'K'/HK = 3/2 [from the figure]
Thus, In the given figure the Δ LHK is similar to ΔL'H'K', and also ΔL'H'K' is the dilation of Δ LHK centered at the origin with a scale factor of 3/2.
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large equilateral triangle pyramid stands in front of the city's cultural center. Each side of the base measures 40 feet and the slant
height of each lateral side of the pyramid is 50 feet.
A painter can paint 100 square feet of the pyramid in 18 minutes.
How long does it take the painter to paint 75% of the pyramid?
Enter your answer, rounded to the nearest tenth, in the box.
Answer: i am really sorry but no whts
i need help finding the vertex please i don’t understand anything
The vertex, Minima or maxima, Domain and range of the all given graphs are obtained.
Explain the minima and maxima of the function?The highest and smallest values of a function, respectively, can either be found inside a specific range or across the entire domain. They are sometimes referred to collectively as the function's extrema. The plural forms of a function's maximum and minimum are called maxima and minima, respectively.For the given question-
Part a:
Vertex : (-1, -4)
Minima or maxima: minima at x = -1
Domain: All real number.
Range: [-4, ∞)
Part b:
Vertex : (3, 4)
Minima or maxima: Maxima at x = 3
Domain: All real number
Range: [4, -∞)
Part c:
Vertex : (4, -4)
Minima or maxima: minima at x =4
Domain: All real number
Range: [-4, ∞)
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its D if that was too confusing
Answer: D
Step-by-step explanation: ? question
A triangular prism has an equilateral triangle base whose sides are 7 meters. The height of the prism is 4 meters
What is the lateral surface area
The lateral surface area of the prism is 81m².
All of an object's sides, excluding its base and top, are considered its lateral surface. The size of the lateral surface is referred to as its area. This must be distinguished from the total surface area, which consists of the base and top areas as well as the lateral surface area.
The total area of all of its faces is reduced to the lateral area. It can also be explained by multiplying the prism's height by the base's circumference.
The base's sides are each 7 meters long, which is a given.
Phase 7+7+7 = 21 meters is the perimeter.
We also know that the prism is 4 meters tall.
The lateral area is therefore
L = P base × h
L = 21m x4m
L = 81m²
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ΔABC is a triangle with sides measuring 5 cm, 7 cm, and 9cm, using the law of cosines
find ∠A, ∠B, and ∠C.
The Law of Cosines states that for a triangle with sides a, b, and c and with angle C opposite side c, the relationship between the sides and the cosine of the angle is:
c^2 = a^2 + b^2 - 2ab * cos(C)
Since the triangle is a right triangle, we can use the Pythagorean theorem to find the value of the angle.
For ∠A:
c^2 = a^2 + b^2 - 2ab * cos(A)
9^2 = 5^2 + 7^2 - 257 * cos(A)
81 = 25 + 49 - 70 * cos(A)
81 = 74 - 70 * cos(A)
81 - 74 = -70 * cos(A)
7 = -70 * cos(A)
cos(A) = -7/70
A = arccos(-7/70)
For ∠B:
a^2 = b^2 + c^2 - 2bc * cos(B)
5^2 = 7^2 + 9^2 - 279 * cos(B)
25 = 49 + 81 - 98 * cos(B)
25 = 130 - 98 * cos(B)
130 - 25 = 98 * cos(B)
105 = 98 * cos(B)
cos(B) = 105/98
B = arccos(105/98)
For ∠C:
b^2 = a^2 + c^2 - 2ac * cos(C)
7^2 = 5^2 + 9^2 - 259 * cos(C)
49 = 25 + 81 - 90 * cos(C)
49 = 106 - 90 * cos(C)
106 - 49 = 90 * cos(C)
57 = 90 * cos(C)
cos(C) = 57/90
C = arccos(57/90)
Keep in mind that the values of the angle are in radians.
Please note that the triangle does not have to be a right triangle, the Law of Cosines works for any triangle.
What is the nature of roots of the quadratic equation 5?.
The nature of roots of the quadratic equation 5x^2 - 2x + 3 = 0 is complex number.
The nature of roots of a quadratic equation is determined by the discriminant, which is the value of b² - 4ac. In this case, the quadratic equation is 5x^2 - 2x + 3 = 0.
To find the discriminant, we can use the formula: b² - 4ac. In this case, a = 5, b = -2 and c = 3, so the discriminant is:
Discriminant = (-2)² - 4*5*3 = 4 - 60 = -56
The discriminant can be used to determine the nature of the roots:
If the discriminant is greater than 0, the roots are real and distinct.
If the discriminant is equal to 0, the roots are real and identical (i.e., the equation has only one root).
If the discriminant is less than 0, the roots are complex and not real numbers.
In this case, the discriminant is negative, so the roots of the equation 5x^2 - 2x + 3 = 0 are complex. The roots can be found by factoring the equation into (x + a + bi)(x + a - bi), where a and b are real numbers, and i is the imaginary unit (i² = -1).
--The question is incomplete, answering to the question below--
"What is the nature of roots of the quadratic equation 5x^2 - 2x + 3 = 0?"
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HELLLLLLPPPPPPPP MEEEE!!! right now this is a paper I'm making up and I. d. k. what to do
10 POINTS!!!!1
y=x-1 is the equation of the line in slope intercept form.
The slope of the line is the ratio of the rise to the run, or rise divided by the run.
It describes the steepness of line in the coordinate plane.
The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.
The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is
m=y₂-y₁/x₂-x₁
The two points from the graph are (1, 0) and (0, -1).
Slope= -1/-1
=1
Now let us find the y intercept.
0=1(1)+b
b=-1
The slope intercept form is y=x-1.
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Express the lengths a and b in the figure in terms of θ.
The lengths a and b be value of a = 24 sinθ, and b = 24 cosθ.
What is meant by SOHCAHTOA?
sinθ = opposite / hypotenuse
cosθ = adjacent / hypotenuse
tanθ = opposite / adjacent
The side that touches the angle but is not the hypotenuse is referred to as the adjacent side, while the side that is immediately across from the angle is referred to as the opposite side and does not touch the angle. The triangle's longest side is always the hypotenuse.
This information allows us to identify an as the opposing side and b as the neighboring side. Now all you have to do is utilize your angle to get the value of these lengths using SOHCAHTOA.
Since an is the opposite side, we shall utilize sine for it. Keep in mind that your hypotenuse is 24; therefore, we can enter in the data we have and solve for the missing lengths:
sinθ = opposite / hypotenuse
= a / 24
a = 24sinθ
For b, because it is the adjacent side, we will use cosine.
cosθ = adjacent / hypotenuse
= b / 24
b = 24cosθ
Therefore, the value of a = 24sinθ, and b = 24cosθ.
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can the maximum value for a quadratic function be negative?
can the minimum value for a quadratic function be positive? justify your answer
The quadratic equation has a negative value that is a maximum if vertex constant is negative but vertex y-coordinate is negative, while it has a positive value that is a minimum if vertex constant is positive by vertex y-coordinate is positive.
How to understand absolute extremes in quadratic functions
Graphically speaking, quadratic functions are parabolae and their absolute extremes are called vertices. There are three ways to describe quadratic functions:
Standard form
y = a · x² + b · x + c
Factor form
y = a · (x - r₁) · (x - r₂)
Vertex form
y - k = C · (x - h)²
Where:
a - Lead coeffcientb, c - Other coefficients.r₁, r₂ - RootsC - Vertex constanth, k - Vertex coordinates.Vertex form offers us a quick possibility to answer this question, from its understanding we get the following conclusions:
Maximum value can be a maximum and negative if C < 0 and k < 0.Minimum value can be a minimum and positive if C > 0 and k > 0.To learn more on parabolae: https://brainly.com/question/21685473
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