Chapter 1 Review

Evaluating Expressions

100

2x +5 for x = -2

1

200

(3x-2)² for x = -2

64

300

-2x²-  3x + 1 for x=-3

-8

400

15m - m² + mn - n² for m = 1 and n = 2

12

500

-(-x²) - x + x³  for x = -2 

-2

Evaluate for f(5)

100

f(x)=|7 - x + 8|

10

200

f(x) = 2|6 - 2x|

8

300

f(x) = 2 - | -7 + x|

0

400

f(x) = |-5| + |-x + x²| - | x |

20

500

f(x) = -3x² + |-6x| - 10 

-55

Solving Equations

100

3x + 4 = 16

x = 4

200

3x + 7 = - x - 1

x = - 2

300

1 - 2x + 5 = 4x - 3

x = 1.5

400

4x - 2 + x = -2 + 2x 

x = 0

500

3x - 4 + 1 = -2x - 5 + 5x

x = no solution

Square and Cube Root

100

What is the square root of 64?

8

200

What is the cube root of 8? 

2

300

What is the cube root of -27?

-3 

400

What is the cube root of 125?

5

500

What is the square root of -100? 

No solution/Does not exist

Graphs

100

A ______ is a relationship between the inputs and outputs 

function

200

A "U" shape graph is what type of function?

Quadratic Function

300

A "V" shaped graph is what type of function?

Absolute Value Function

400

The point where the graph crosses the y axis is called?

The y intercept

500

The maximum or minimum point on a graph

Vertex