Math Review

Slope

100

What is the slope of the following line:

y=-4x-7

What is -4

200

What is the slope of the following line:

y=x+9

What is 1

300

What is the slope of the following line:

4x+2y=8

What is -2

400

What is the slope of the following line:

27x-3y=9

What is 9

500

Find the slope between the following two points:

(4,3) (-1,2)

What is 1/5

Slope Int & Standard Form

100

Write a linear equation with a slope of 2 and the y-intercept of -4

What is y=2x-4

200

Write a linear equation with a slope of 8 and the y-intercept of 5

What is y=8x+5

300

Identify the slope and y-intercept of the equation y=-4x+3 

What is slope=-4;y-intercept =3

400

Identify the slope and y-intercept of the equations 2x+5y=20

What is slope=-2/5;y-intercept=4

500

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

What is slope=1/2;y-intercept=-1

X & Y Intercepts

100

x+y=5

What is y-int=5;x-int=5

200

2x-4y=12

What is y-int=-3;x-int=6

300

4x-y=4

What is y-int=-4;x-int=1

400

3x+9y=27

What is y-int=3;x-int=9

500

6x+12y=24

What is y-int=2;x-int=4

Writing Linear Equations

100

m=1/2 ; b=-1

What is y=(1/2)x-1

200

(-4,-7); slope=3

What is y=3x+5

300

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

What is y=(-5/4)x+1

400

(-3,-9)  (4,-2)

What is y=1x-6

500

(-2,7)  (6,-5)

What is y=(-3/2)x+4

Parallel and Perpendicular Lines

100

Slopes of parallel lines have the _______ slope.

What is 'same'.

200

Which line is parallel to the line 5x-2y=18?

a. y=(2/5)x+1

b. y=(-2/5)x-7

c. y=(5/2)x-4

d. y=(-5/2)x+2

What is c

300

Which line is perpendicular to the line y=-3x+2?

a. x+3y=24

b. 3x+7=5

c. 3x-7=5

d. x-3y=3

What is d

400

Write an equation that is parallel to y=-4x+5 and passes through the point (-2,-1)

What is y=-4x-9

500

Write an equation that is perpendicular to y=(3/5)x-1 and passes through the point (9,-14).

What is y=(-5/3)x+1