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Parallel Lines

Parallel Lines

Assessment

Presentation

Mathematics

8th - 9th Grade

Medium

CCSS
HSG.CO.A.1, 8.EE.B.5, 4.G.A.1

+1

Standards-aligned

Created by

Melinda Lopez

Used 12+ times

FREE Resource

2 Slides • 5 Questions

1

Parallel Lines

Two lines are parallel if their slopes are the same.


Notice in the example both lines have a slope of 2.

Slide image

2

To determine if lines are parallel, you must compare their slopes.

y = 1/3x + 1 and y = 1/3x - 7 are parallel because they both of a slope of 1/3.

Slide image

3

Multiple Choice

Parallel Lines have ....

1

the same slopes

2

different slopes

3

everything the same

4

everything different

4

Multiple Choice

A line is parallel to   y = 2x - 7.
What is it's slope?
1
-2
2
1/2
3
-1/2
4
2

5

Multiple Choice

Level 3

Which two equations below are parallel?

1

y = 2x + 1 and y = -1/2x + 1

2

y = 2x + 3 and y = -2x + 3

3

y = 2x - 1 and y = 1/2x - 1

4

y = -x + 4 and y = -x + 2

6

Multiple Choice

Which line is parallel to the line y = -3x - 4?

1

y = 3x - 4

2

y = -3x + 2

3

y = -4x + 3

4

y = 3x + 1

7

Multiple Select

Which two lines are parallel to each other?

1

y = 1/4x + 1

2

y = 4x + 1

3

y = 1x + 1/4

4

y = 1/4x + 5

Parallel Lines

Two lines are parallel if their slopes are the same.


Notice in the example both lines have a slope of 2.

Slide image

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