Topic 2 Review

Slope-Intercept Form

100

slope-intercept form equation

y=mx+b

200

m=2 y-intercept=-4

y=2x-4

300

(1,3), (2,5)

y=2x+1

400

m=3/4 y-intercept=3

y=3/4x+3

500

(5,6), (3,2)

y=2x-4

Point-Slope Form

100

point-slope form equation

y-y₁=m(x-x₁)

200

m=6 (4,5)

y-5=6(x-4)

300

m=3/4 (6,-2)

y+2=3/4(x-6)

400

m=1/3 (-4,7)

y-7=1/3(x+4)

500

(0,2), (2,5)

y-2=3/2(x-0) y-5=3/2(x-2)

Standard Form

100

standard form equation

Ax+By=C

200

14x-2y=28

x=7 y=-14

300

4x-1/2y=11

x=11/4 y=-22

400

2x+3y=4

x=2 y=4/3

500

3x-5y=15

x=5 y=-3

Is it Parallel Or Perpendicular?

100

y=3/4x+1  y=3/4x+3

parallel

200

y=2/7x-1   y=-7/2x

perpendicular

300

y-1=2(x-6)  y+4=2(x+1)

parallel

400

y-6=2/3(x+8)  y=-3/2(x+9)

perpendicular

500

y+2=4(x+4)  y+7=1/4(x-3)

neither