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2-14 Practice

Last updated almost 3 years ago

20 questions

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Question 14

14.

What is one solution to the equation x2 + 11x + 24 = 0?

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Question 1

1.

What is the value of a for the equation 2x2 - 7x = 15?

Question 2

2.

What is the value of b for the equation 2x2 - 7x = 15?

Question 3

3.

What is the value of c for the equation 2x2 - 7x = 15?

Question 4

4.

Mai and Jada have both made mistakes. What is one solution to the equation 2x2 - 7x = 15?

Question 5

5.

What is the other solution to the equation 2x2 - 7x = 15?

Question 6

6.

What is the initial vertical velocity of the potato (in feet per second) at the time it was launched?

Question 7

7.

What is the height of the potato (in feet) at the time it was launched?

Question 8

8.

Write an equation that would allow us to find the time it takes for the potato to hit the ground.

Question 9

9.

What is one solution to your equation from 2a? (Round to the nearest tenth.)

Question 10

10.

What is another solution to your equation from 2a? (Round to the nearest tenth.)

Question 11

11.

How long, in seconds, was the potato in the air? (Round to the nearest tenth.)

Question 12

12.

Solve the equation 3x2 - 6x - 9 = 0 by factoring or using the Quadratic Formula. Show your work.

Question 13

13.

What are the solutions to the equation 2x2 - 5x - 1 = 0?

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B.

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D.

Question 15

15.

What is the other solution to the equation x2 + 11x + 24 = 0?

Question 16

16.

What is the only solution to the equation 4x2 + 20x + 25 = 0?

Question 17

17.

What are the solutions to the equation x2 + 8x = 5? (Use
notation.)

Question 18

18.

What is the coordinate for one x-intercept of the function f(x) = (x + 1)(x + 6)?

Question 19

19.

What is the coordinate for the other x-intercept of the function f(x) = (x + 1)(x + 6)?

Question 20

20.

What is the coordinate of the vertex of the graph of the function f(x) = (x + 1)(x + 6)?