Slope

Formulas & Definitions

100

The slope formula

y2-y1/x2-x1

200

Slope is equal to

What is rise over run

300

The variables for slope and y-intercept are

What is m and b

400

Define y-intercept

The point where a line crosses the y-axis

500

Slope intercept form

y=mx+b

Find the slope when given two points

100

(0,6) (8, 12)

6/8 = 3/4

200

(5, 5) (8, 9)

4/3

300

(-6, -4) (-8, -9)

-5/-2 = 5/2

400

(4, 6) (-9, 6)

0/-13 = zero slope

500

(5, 6) (5, 8)

2/0 = undefined

Write the equation in slope intercept form

100

slope = 5 b = 3

What is y=5x+3

200

m= -6 b=5

y=-6x+5

300

m= 3/4 b= 7/8

y=3/4x+7/8

400

m=-5 b=-17

y=-5x-17

500

m= -9/3 b=4

y=-3x+4

Write the equation in slope intercept for (m & two points)

100

(0, 4) m=5

y=5x+4

200

(0, -6) m=6

y=6x-6

300

(4, 8) m=-2

y=-2x+16

400

(-8, -3) m=-7

y=-7x-59

500

(-20, 20) m=5

y=5x+120

Zero or undefined

100

Zero and undefined are types of...

Slope

200

When the zero is in the denominator it is an...

undefined slope

300

When the zero is in the numerator it is a....

zero slope

400

A vertical line is 

an undefined slope

500

A horizontal line is a 

zero slope