Chapter 3 Test Review

Exponents

100

x²*x⁵

x⁷

200

(5x⁴y)²

25x⁸y²

300

(8000x^-2z⁷)⁰

1

400

30x⁹ /(35 x⁴⁾

(6x⁵)/7

500

(3a^-2)³

^{no negative exponents}

27/a⁶

Linear Functions

100

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

-7

200

What is the equation of the line between the two points (2,1) and (6,9)? 

y=2x-3

300

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

y=3x+1

400

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

3/4

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 & Multiplying

100

Multiply

2x³(4x²+7x+1)

8x⁵+14x⁴+2x³)

200

|x-7|=12 , solve for x. 

x=19 and x=-5

300

|2x+4|=6 , solve for x. 

x=1 and x=-5

400

Multiply

(2x+5)²

4x²+20x+25

500

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

no solution

Solving for Variables

100

Multiply (3x-4)(x+2)

6x² + 2x - 8

200

Multiply x²(2x+4)

2x³+4x²

300

3(x+4) = 27

Solve For X

x = 5

400

Solve for X

6(x - 2) + 2x = 18 - (x - 5)

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

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

m:slope

b: y-intercept

300

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

Domain: [ 2 , 4 ]

Range: [ -3 , 2 ]

400

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

y=3x+1

500

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

X-intercepts : 3

Y-intercepts : none