Write in Point Slope
Write in Slope Intercept
Parallel and Perpendicular
All of the Above
100

What is the formula for point slope?

y-y1=m(x-x1)

100

What is the slope intercept formula?

y=mx+b

100

If you have two lines that are parallel what are their slopes going to be?

The slopes are equal.

100

Are these Parallel or Perpendicular?

y=4x - 8

y=-1/4x + 3

Perpendicular

200
m=2

(3, 9)

y-9=2(x-3)

200

m=3

(3, 1) (0, 10)

y=3x+10

200

If line a and b are perpendicular and the slope to line a is -2 what is the slope of line b?

The slope of line b is 1/2.

200

What is the equation of point slope?

y-y1=m(x-x1)

300

(2, 3) and (4, 7)

y-3=2(x-2) or y-7=2(x-4)

300

(2, -4) (0, -4)

y=0x-4

300

If line a has an equation of y=4x-9 and Line b has an equation of y=4x+25. Are the lines parallel or perpendicular.

Parallel

300

What is Slope Intercept Formula?

y=mx+b

400

line is parallel to y=-3x+3

(-3, 6) 

y-6=-3(x+3) 

400

Write in slope intercept of a line parallel to y=2x-9 and goes through (2, 9).

y=2x+5

400

Line a (1, 5) and (-2, 4)

Line b (3, 2) and (1, -4)

Are these line parallel, perpendicular or neither

Neither

400

What is the equation for slopes of two points?

Write on board.
500

A line perpendicular to y=-8x-9

(-2, 3) 

y-3=1/8(x+2) 

500

Write in slope intercept of a line perpendicular to y=1/3x+2 and goes through (0, 8)

y=-3x+8

500

Are these equations parallel, perpendicular, or neither?

y=1/3x-8

y=-3x-9

Perpendicular

500

Final Jeopardy

Line a is y=-5x-7

Line b is perpendicular to line a. What is line b's slope?

1/5