Slope
Parallel and Perpendicular Lines
slope-intercept form
Intercepts
100

What is the slope?

m = 2

100

What is true about the slopes of parallel lines?

The slopes are the same

100

what is the slope of this line?

y = 4x - 8

m = 4

100

what is the (x , y) coordinate point of the y-intercept if the line crosses the y-axis at -6

(0 , -6)

200

What is the slope of a horizontal line?

m = 0

200

Perpendicular lines intersect at ________ angles.

right (90 degrees)

200

What is the slope of this line?

y = 5 - x

m = -1

200

to find x and y intercepts, you plug in __ for both x and y

zero

300

what is the slope of a vertical line?

underfined

300

What is the slope of the line perpendicular to this line:

y = 2x - 6

m = -1/2

300

What is the y-intercept of this line?  (state your answer in (x,y) point format)

3y + 12 = 6x


( 0 , -4 )

300

What is the x-intercept of the line in (x , y) format?

4x + 3y = 24

(6, 0)

400

what is the slope between these 2 points?

(7, -6) and (7, 3)

undefined

400

What is the slope of the line parallel to this line?

2x - 3y = 7


m = 2/3

400

What is the slope of this line?

2y - 3x = 14

m = 3/2

400

What is the y-intercept of the line in (x, y) format?

5x - 6y = 3

( 0 , -1/2)

500

what is the slope between the 2 points (in simplest form)

(-8, -9) and (2, -5)


m = 2/5

500

What is the slope of the line perpendicular to this line?

3x + 5y = 12

m = 5/3

500

What is the equation of this line in slope-intercept form?

5x = -6y + 6

y = -5/6x + 1

500

What are the x- and y-intercepts of the line:

6y = 3x - 12

list them both in (x , y) format

y-int: (0 , -2)

x-int: (4 , 0)