Math Review

Solving Equations

100

Solve for x. 6 - 9x= -12

X=2

200

What is X ? 13x = 91

What is 7

300

Solve for x. 3(x + 2) = 12

What is 2

400

Solve for x. 8x - 2x + 18= 42

What is 4

500

Solve for x. 9x - 7x - 5 = 17

What is 11

Systems of Equations

100

Find the solution to the system of equations r and s.  -6 +(-r )- s = -10

R= -8 S=4

200

The solution to the system: x = 4y 2x + 3y = 22

What is (8,2)

300

Is (11, 6) a solution to this equation?

3x+6y=66

No, it is 69

400

Find the solution to the system of equations X and Y 

4y+8x= 44

( 4,3 )

500

Is (2,4) a solution to this equation?

3x-5x+6y+8y= 51

No, it is 52

Proportional Relationships

100

Are these proportionate and if they are what number makes them proportionate? 

2 : 26, 3 : 39, 6 : 78

Yes, and 13

200

Are these proportionate and if they are what number makes them proportionate? 

2 : 30, 8 : 90, & 14 : 150

No

300

Are these proportionate and if they are what number makes them proportionate? 

1 : 5, 3 : 15, and 5 : 25

No

400

Are these proportionate and if they are what number makes them proportionate? 

4 : 48, 7 : 84, & 10 : 120

Yes and 12

500

Are these proportionate and if they are what number makes them proportionate?

15 : 5, 36 : 12, & 45 : 15

Yes and divided by 3

Slope

100

What is the slope (2,4) and (-2, -5)

-9/-4

200

What is the slope of (6,4) and (5,8)

4/-1

300

What is the slope of (4,3) and (2, 8)

5/-2

400

What is the slope of (9,2) and (3,8)

6/-6 or -1

500

What is the slope of (20,9) and (42, 14)

5/22