Chapter 3 Test Review

Exponents

100

x²*x⁵

x⁷

200

x⁹ / x⁴

x⁵

300

(5x³)²

25x⁶

400

(8000x^-2z⁷)⁰

1

500

(a^-2)³

^{no negative exponents}

1/a⁶

Linear Functions

100

What is the y-intercept of the line y=4x-7 ?

-7

200

What is the slope of the line y=3/4x+2 ?

3/4

300

What is the slope between the two points (2,1) and (6,9)? 

8/4 = 2

400

What is the equation of the line with a slope of 3 and a y intercept of 1?

y=3x+1

500

What is the equation of the line with a slope of 2 and goes through the point (2,1)?

y=2x-3

Absolute Value

100

|-23 +4| = ?

19

200

|x+2| = 7 , solve for x. 

x=5 and x=-9

300

|x-7|=12 , solve for x. 

x=19 and x=-5

400

|2x+4|=6 , solve for x. 

x=1 and x=-5

500

|7x+4| = -5 , solve for x

no solution

Solving for Variables

100

Find the missing value

f(x) = 15 - x^2.         x= -2.     f(-2) = ???

f(-2) = 11

200

Solve for X

6x - 12 + 2x = 18 + x + 5

x=5

300

Multiply x²(2x+4)

2x³+4x²

400

3(x+4) = 27

Solve For X

x = 5

500

(x+2)(x+6) = x²+4

Solve For X

x=-1

Chapter 2 Retention

100

What is the slope AND y-intercept of y=2x+4 . 

slope: 2       y-intercept:4

200

Write an equation of the tile pattern that grows by 3 tiles each time and have 7 tiles in Figure 2. 

y=3x+1

300

What do m and b represent in the equation y=mx+b?

m:slope

b: y-intercept

400

What is the domain and range of the graph drawn on the board? 

Domain: [ 2 , 4 ]

Range: [ -3 , 2 ]

500

What are the x and y-intercepts of the graph drawn on the board?

X-intercepts : 3

Y-intercepts : none