Unit 2 recovery

Slope intercept and standard form

100

Simplify. (Hint y=mx+b)

4x+2y=10

What is 

2x-y=5

200

Simplify. (Hint y=mx+b)

10x+5y=15

What is 

5x+y=5

300

Simplify. (Hint y=mx+b)

12x+24y=48

What is

2x+4y=8

400

Simplify. (Hint y=mx+b)

14x+21y=35

What is 

2x+3y=5

500

Simplify. (Hint y=mx+b)

9x+3y=18

What is

3x+y=6

Point slope form

100

Write an equation if m=4 and (8,-2) use 

y1-y2=m(x1-x2)

What is y+2=4(x-8)

200

Write an equation if m=9 and (5,14) use 

y1-y2=m(x1-x2)

What is y-14=9(x-5)

300

Write an equation if m=7 and (17,-10) use 

y1-y2=m(x1-x2)

what is y+10=7(x-17)

400

Write an equation if m=1 and (5,8) use 

y1-y2=m(x1-x2)

What is y-8=1(x-5)

500

Write an equation if m=2/8 and (3,19) use 

y1-y2=m(x1-x2)

What is y-19=2/8(x-3)