Show:
Slope
Point Slope
Slope Intercept
Parallel Lines
Perpendicular Lines
100

(4, 9) (1, 6) 

1

100

(4, 1) slope=2 

y-1=2(x-4)

100

(4, 2); slope=3

y=3x-10

100

through point (-2, 7) and parallel to  y= -4x +1

y= -4x - 1

100

(4, 3); y = 2x-4

y = -1/2 x + 5

200

(-4, -1) and (-2, -5) 

-2

200

(2, 4) slope= 1/2

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

200

(0, 3); slope =-2

y = -2x +3

200

(-4, -1); y= 2x +4

y= 2x +7

200

(3, -3); y = 3/4 x +5

y = -4/3 x +1

300

(5, 3) and (5, -9)

undefined

300

(-3, 7) and (1, -1)

use the first point

y - 7 = -2(x+3)

300

(0,1) and (5, 3) 


y = 2/5 x + 1

300

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

y= -1/4 x + 5

300

(-3, -2); y = x -2 

y = -x -5

400

(2, 1) and (8, 9) 

4/3

400

(2, -1) and (4, -6)

use the first point

y + 1 = -5/2 (x-2) 

400

(2, -2) and (0, -1) 


y= -1/2 x -1

400

(4, 5); y = 1/2x -7

y = 1/2x +3

400

(2, 3); y = -1/5 x + 2

y = 5x-7

500

(4, -3) and (8, -3)

0

500

(-3, -8) and (2, 7) 

use the second point

y - 7 = 3(x-2)

500

(-12, 14) and (6, -1)

y = -5/6 x +4

500

(-6, 7); y = -5/2 x + 5

y = -5/2x -8

500

(-1, -6); y = -1/3 x +2

y= 3x -3