Chapters 1-7 Review

Equations

100

Solve: 2x+9=3x+11

x=-2

200

Solve: 2(x+4)-8=3(2x-1)+11

x=-2

300

Solve: 4∣5x+5∣-2=18

x=0 and x=-2

400

Solve:

y=2x+2

y=4x-6

x=4

y=10

(4,10)

500

Solve:

3x+2y=18

2x-3y=12

x=6

y=0

(6,0)

Inequalities

100

Solve and graph on a number line:

2x+3>3x-1

x<4

200

Solve and graph on a number line:

2(x+4)-5<5x+7(x-1)

x>1

300

Solve and graph on a number line:

2x+1<3x<x+6

x>1 and x<3

400

Solve and graph on a number line:

 ∣3x+6∣<18

x>-8 and x<4 

500

Solve and graph on a number line:

4∣2x+13∣-4>16+8

x>-3 or x<-10

Functions

100

The function is: f(x)=2x+1

Evaluate for f(-1), f(2), and f(5)

f(-1)=-1

f(2)= 5

f(5)= 11

200

Make a table for this function: f(x)=x²-2x+1

x:    -2, -1, 0, 1, 2

f(x):  9,  4, 1, 0, 1

300

Is the relation a function?

(-2,0) (-1,1) (-2,10) (0,3) (6,12)

Not a function

400

Is the relation a function?

(-2,1) (-1,1) (0,1) (1,1) (2,1)

yes it is a function

500

Evaluate for f(-2) f(0) f(2):

f(x)= 2∣3x+4∣-2

f(-2)= 2

f(0)= 6

f(2)= 18

Quadratics

100

Simplify: (2x²+3x-8) - (-3x²+9x-12)

5x²-6x+4

200

Factor: 

7x²-31x-20

(7x + 4)(x − 5)

300

Multiply: (2x+1)(3x-4)

6x²-5x-4

400

Solve:

3x²-8x-16=0

Roots: 4, -4/3

500

Factor and Solve:

7x²+32=7-40x

Factor: (7x+5) (x+5)

Roots: -5/7, -5

Coach Ausland

100

What is coach Ausland's favorite soda?

a. Dr. Pepper

b. Sprite

c. Coke

a. Dr. Pepper

200

What is Coach Ausland's favorite holidays?

a. Christmas/Fourth of July

b. Halloween/Thanksgiving

c. Easter/Valentines

a. Christmas/Fourth of July

300

What is Coach Ausland's favorite vacation?

a. Mountains

b. Beach

c. Big City

a. Mountains

400

Which country has Coach Ausland visited?

a. Canada

b. Mexico

c. Germany

c. Germany

500

What is Coach Ausland's Middle name?

a. Paul

b. Ray

c. Michael

b. Ray