Sec. 2-2 to 2-4 Review

Finding Slope Given Two Points

100

The slope of the line through

(-10, -18) and (7, -4)

14/17

200

The slope of the line through 

(-18, -8) and (-12, 16)

4

300

Find the slope of the line through

(-7, 8) and (9, 15).

7/16

400

The slope of the line through

(3, 4) and (9, 4).

0

500

The slope of the line through

(-2, 6) and (-2, 10).

Undefined

Find Missing Coordinate

100

(-8, y) and (6, 2); m=1/2

-5

200

(5, -2) and (x, 7); m=-1

-4

300

(0, 2) and (x, 8); m=-6/7

-7

400

(5, 3) and (2, y); m=0

3

500

(5, 3) and (x, -7); m=

undefined

5

Write Equation of Line

100

Write the equation of a line with 

m=-2 and b=4

y=-2x+4

200

Write the equation of a line that passes through (0, 0) with a slope of 4.

y=4x

300

Write the equation of a line that passes through (1, 2) with 

m=3.

y=3x-1

400

Write the equation of a line that passes through (-1, 5) with 

m=-3

y=-3x+2

500

Write the equation of the line that passes through (-5, 0) with 

m=3/8

y=3/8x+15/8

Find Intercepts

100

Find the x- and y-intercepts of

2x-3y=6

x-int: 3

y-int: -2

200

Find the x- and y-intercepts of

9x+4y=-36

x-int: -4

y-int: -9

300

Find the x- and y-intercepts of

-3x-5y=4

x-int: 

-4/3

y-int: 

-4/5

400

Find the x- and y-intercepts of

x-3y=10

x-int: 10

y-int: 

-10/3

500

Find the x- and y-intercepts of

11x-4y=3

x-int: 

3/11

y-int: 

-3/4

Parallel and Perpendicular

100

What is the slope of a line parallel to 

y=1/2x-3

1/2

200

What is the slope of a line perpendicular to 

y=-7/3x-19/5

3/7

300

Write the equation of the line through (4,2) and parallel to 

y=2x-3

y=2x-6

400

Write the equation of the line through (-1, -5) and perpendicular to 

y=-x+3

y=x-4

500

Write the equation of the line through (-4, -5) and perpendicular to 

y=-4x+4

y=1/4 x-4