AnswersIntegrated Math II FullModeling with Quadratic Functions

Modeling with Quadratic Functions Answers

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What is the first step in solving the equation x2 – = 0? | What is the second step in solving the equation?

A
Square both sides.
B
Take the square root of both sides.
C
Add 16/25 to both sides.
D
Subtract 16/25 from both sides.
3
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What is the first step in solving the equation x2 – = 0? | What is the second step in solving the equation?

A
Square both sides.
B
Take the square root of both sides.
C
Add 16/25 to both sides.
D
Subtract 16/25 from both sides.
4

What are the solutions of the equation?

A
x = and x =
B
x = and x =
C
x = and x =
D
x = and x =
5

Which equation results from taking the square root of both sides of (x + 9)2 = 25?

A
x + 3 = ±5
B
x + 3 = ±25
C
x + 9 = ±5
D
x + 9 = ±25
6

= If x + 9 = 5, then x =.

Answer:

-4

7

If x + 9 = –5, then x =.

Answer:

-14

8

What is the solution of the equation (4x + 3)2 = 18?

A
x = and x = –3
B
x = and x = 3
C
x = and x =
D
x = and x =

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