Algebra 1 5-6 Guided Practice: Parallel and Perpendicular Lines

by Matthew Richardson

| 15 Questions1

1

5

Solve It! If you copied the graph, could you draw a new line that would not intersect the other lines in the graph? Remember that lines continue infinitely in both directions.

Yes

No

2

3

4

2

10

Take Note: Define parallel lines.

3

10

Take note: If two lines are parallel, what do you know about their slopes ?

4

10

Take Note: Graph two lines that are parallel to each other. Zoom and pan your graph to establish an appropriate viewing window.

5

5

10

Problem 1 Got It?

A

B

C

D

6

7

8

9

6

10

Take Note: Define perpendicular lines.

7

10

Take note: If two lines are perpendicular, what do you know about their slopes ?

8

10

Take Note: Graph two lines that are perpendicular to each other. Zoom and pan your graph to establish an appropriate viewing window.

9

10

Take Note: Graph two lines that are neither parallel nor perpendicular to each other. Zoom and pan your graph to establish an appropriate viewing window.

10

10

10

Problem 2 Got It?

A

B

C

11

11

10

Problem 2 Got It?

A

B

C

12

12

10

Take Note: If you know the slope of a line and one point that the line includes, how can you write the equation of that line in point-slope form ?

You may reference the terms from the formula below in your response:

13

13

10

Problem 3 Got It?

A

B

C

D

14

14

10

Problem 4 Got It? What equation could the architect enter to represent a second beam whose graph will pass through the corner at (0, 10) and be parallel to the existing beam. An equation that represents the existing beam is:

A

B

C

D

15

15

10

Take Note: Summarize the content of this lesson.

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