Unit 1

Expressions and Properties

100

1/15 * 15 = 1

What is inverse?

200

3 + 0 = 3

What is identity?

300

5 times the quantity 6n plus 6 is 30.

(5 * 6n) +6 = 30

n=0 

400

Three less than x is 9

(Write equation and solve)

What is x-3 = 9?

What is x=12

500

The quotient of 3x plus 2 and 4 is 5

Write equation and solve 

(3x +2)/4 =5 

x=6

Equations and Inequalities

100

8(y+2)-4

8y-12

200

2y+4-6(3y-5)

-16y+34

300

3(-2+2²*4)

42

400

8(y² + 2) – 4(y - 6)

where y = 3

100

500

7(3² + y) – 7(x - 5) + x    

where y = -4 and x = 2

58

Manipulating Equations

100

4x-y=1

y=4x-1 

200

x-3y=6

y=x/3 - 2

300

3x-2y=16

y=3/2 x +8

400

6x+5y=-15

y= -6/5 x - 3

500

13x-11y=-12

13/11 x - 12/11

Compound Inequalities

100

-1 < -4 + x < 5

solve and graph 

3 < x < 9

200

2x < 10 or x/2 ≥ 3

x<5 or x≥ 6

300

-43<7k-8<48

-5<k<8

400

2n+7≥ 27

or 

3+3n≤30

n≥10

n≤9

500

3n+2 < -2+7n 

or 

8n-4 ≤ 3n-4

n>1 or n≤0

Absolute Value and Inequalities

100

|4x+8| = 32

x = 6 and x=-10

200

|4s+3|=-32

no solution 

300

|6p-2| < 40

solve and graph

p>-38/6

p<7

400

|5d-9| > 41

solve and graph

d< -32/5 

or d >10 

500

|8x-10| > 54

x>8 or x<-8