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Writing Equations of Parallel Lines

Writing Equations of Parallel Lines

Assessment

Presentation

•

Mathematics

•

9th - 12th Grade

•

Medium

•
CCSS
4.G.A.1, HSG.CO.A.1

Standards-aligned

Created by

Joseph O'Neill

Used 19+ times

FREE Resource

6 Slides • 4 Questions

1

Writing Equations of Parallel Lines

How can we determine if lines are parallel?

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2

Parallel and Slopes

  • Two lines in the same plane that never intersect.

  • Two lines are parallel if and only if they have the same slope.

3

Identifying parallel lines

  • Find the slope of each line

  • When a graph is present we can use rise/run

  • Use ll symbol to write which lines are parallel

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4


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5

Multiple Choice

Question image

Determine which lines are parallel

1

a ll b

2

b ll c

3

c ll a

6

Identifying Parallel Lines

When there is no graph present, use the slope formula y2-y1/ x2-x1.

Then compare slopes

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7



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8

Multiple Choice

Question image

Determine which lines are parallel.

1

a ll b

2

b ll c

3

a ll c

9

Multiple Choice

Question image

Determine which lines are parallel.

1

a ll b

2

b ll c

3

a ll c

4

None

10

Poll

Should we have homework tonight?

Yes

No

pattern-tertiary

Writing Equations of Parallel Lines

How can we determine if lines are parallel?

Slide image

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