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lisov135 [29]
3 years ago
10

Fill in the box with any number that will create a quadratic function with zeros at -1 and 3.

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0

Answer:

3x^2 - 6x - 9

Step-by-step explanation:

In order to make the function have zeros at -1 and 3 it needs to factor into:      

<u>To make that:</u>

3x^2 - 6x - 9

(3x - 9)(x + 1)

<u>To check:</u>

3x - 9 + 9 / 3 = 0 + 9 / 3

x = 3

x + 1 - 1 = 0 - 1

x = -1

So, it is correct.  

Answer:  3x^2 - 6x - 9

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write an equation that could be used to find two consecutive even integers whose product is 24. Let x represent the first intege
mariarad [96]
(X)+(X+1)=24

"consecutive" means right after the other, so, if the first one is (X), the second integer <u>must be</u> (X+1). The answer 24 is given so you just have to solve the equation.

2X+1=24
2X=23
X=11.5
8 0
3 years ago
Jill is thinking of a number. Twenty less than one forth of the number is -45. Find Jill's number.
Bezzdna [24]

Answer:

The number is -100, Jill can think of something else, now.

Step-by-step explanation:

x = the number

x/4 - 20 = -45 {twenty less than one-fourth of the number is -45}

x/4 = -25 {added 20 to each side}

x = -100 {multiplied each side by 4}

5 0
2 years ago
Read 2 more answers
What is this answer?
zhuklara [117]

Answer:

B is the correct answer

3 0
3 years ago
Solve for u<br> 3(2u+5)=33<br> Simplify your answer as much as possible.
Pie
6u+15=33
6u=33-15
6u=18
u=3

U = 3 Is the answer!!!
HOPE THIS HELP!! :D
4 0
3 years ago
Which of the following equations describes the line shown below? (1, 10) (-3, 2)
Greeley [361]
(1,10)(-3,2)
slope = (2-10) / (-3-1) = -8/-4 = 2

y = mx + b
slope(m) = 2
(1,10)...x = 1 and y = 10
now we sub and solve for b, the y int
10 = 2(1) + b
10 = 2 + b
10 - 2 = b
8 = b

equation is : y = 2x + 8.....or 2x - y = -8
8 0
3 years ago
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