Linear Equations

Slope

100

Equation for slope

m=(y₂-y₁/x₂-x₁₎

200

what is the slope of the line y=1/5x+14

1/5

300

What is the slope of a horizontal line?

0

400

(-12,-1) and (-3,-4)

-1/3

500

(-11,7) and (-11,-2)

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Slope-intercept form

100

Write a linear equation with a slope of 1 and the y-intercept of -7

y=x-7

200

Identify the slope and y-int of the equation y=-3x

m=-3 and b=0

300

Identify the slope and y-int of the equation 2x+5y=20

b=4 and m=-2/5

400

Identify the slope and y-int of the equation x-2y =2

m=1/2 and b=-1

500

Snell trivia: Mr. Snells fave college basketball team

Duke

x and y int.

100

4x-y=4

x=1 and y=-4

200

12x-8y=24

x=2 and y=-3

300

Snell trivia: What High school did Snell graduate from?

Wichita North

400

x-y=-1

x=-1 and y=1

500

10x-4y=-20

x=-2 and y=-5

Writing linear equations

100

(-4,-7) slope =3

y=3x+5

200

(8,-9) slope=-5/4

y=-5/4x+1

300

(-3,9) and (-4,2)

y=x-6

400

(-2,7) and (6,-5)

y=-3/2x+4

500

(-4,8) and (1,3)

y=-x+4

parallel and perpendicular

100

perpendicular to y=-3x+2 and passes through (3,-1)

y=1/3x-2

200

Freebie

Congrats

300

describe the slope of perpendicular lines

negative reciprocals

400

parallel to y=-4x+5 passes through (-2,-1)

y=-4x-9

500

perpendicular to 3x-5y=5 and passes through (9,-14)

y=-5/3x+1