Algebra 1-B

Slope-Intercept

100

M = 3

Y Int = -2

y = 3x - 2

200

M = 1/4

Y Int = 7

y = 1/4x + 7

300

M = 1/2

Point: (10, 4)

y = 1/2x - 1

400

(-3, 1) and (0, -8)

y = -3x - 8

500

M = 4

Point: (2, 5)

y = 4x - 3

Point-Slope

100

(3, 5), m = -1

y - 5 = -(x-3)

200

(2,1), m = 2

y - 1= 2(x-2)

300

(-11, -3), m = -9

y + 3= -9(x + 11)

400

(-8,2), m=5

y - 2= 5(x+8)

500

(7,-1), m = -6

y + 1 = -6(x-7)

Standard

100

(-3, 2), m=1

-x + y = 5

200

(4, -1), m = 3

-3x + y = -13

300

(0, 5), m = -2

2x + y = 5

400

(-8, 0), m = -4

4x + y = -32

500

(3, 9), (1,1)

-4x + y = -3

Slope

100

(20, 8) and (9, 16)

-8/11

200

(-4, 7) and (-6, -4)

11/2

300

(19, 3) and (20, 3)

0

400

(3, -20) and (5, 8)

14

500

(-19, 12) and (-9, 1)

-11/10

Parallel/Perpendicular

100

Write an equation of the line that passes through (-3,-5) and is PARALLEL to y = 3x - 1

y = 3x + 4

200

Write an equation of the line that passes through 

(-2, 11) and is PARALLEL to y = -x + 5

y = -x + 9

300

Write an equation of a line that passes through

(-1, 3) and is PARALLEL to y = 2x + 2

y = 2x + 5

400

Write an equation that passes through (-9, 2) and is PERPENDICULAR to y = 3x - 12

y = -1/3x - 1

500

Write an equation that passes through (5,1) and is PERPENDICULAR to y = 5x -2

y = -1/5x + 2