Algebra 1A review

simple Equations

100

m + 4 = −12

-16

200

14b = −56

-4

300

p − 6 = −5

1

400

v − 15 = −27

-12

500

−6 = b/18

-108

Multiple Step Equations

100

−20 = −4x − 6x

2

200

p − 4 = −9 + p

no solution

300

14 = −( p − 8)

-6

400

2(4x − 3) − 8 = 4 + 2x

3

500

−5(1 − 5x) + 5(−8x − 2) = −4x − 8x

-5

Standard to Slope Intercept

100

12x+6y=6

y=-2x-1

200

16x+8y=4

y=-2x+1/2

300

-6x+4y=8

y= 1 1/2 + 2

400

-3x-12y=-12

y=-1/4-1

500

-9xb15=30

y=3/5-2

Point Slope to Slope Intercept

100

y-12=3(x-2)

y=3x+6

200

y-2=-1/3(x-4)

y=-1/3x+10/3

300

y-4=6(x-7)

y=6x-38

400

y-6=1/2(x-9)

y=1/2x+1 1/2

500

y-7=9(x-15)

y=9x-128

Find the slope

100

(1,3)

(6,4)

1/5

200

(3,4)

(9,3)

-1/6

300

y=1/3x+14

1/3

400

(y-7)=3(x-5)

3

500

6x-7y=21

6/7