What is the slope of a line that is perpendicular to the line represented by the equation $$y = mx + b$$ ?

The slope of a line that is perpendicular to another line is the negative reciprocal of the slope of the original line. If the slope of the original line is $$m$$ , then the slope of the perpendicular line is $$-\frac{1}{m}$$ .

What is the slope of the line represented by the equation $$y = 2x - 7$$ ?

The slope of the line $$y = 2x - 7$$ is 2.

What is the slope of the line represented by the equation $$y = -2x + 13$$ ?

The slope of the line $$y = -2x + 13$$ is -2.

What is the relationship between the slopes of two perpendicular lines?

The slopes of two perpendicular lines are negative reciprocals of each other.

What is the slope of a line that is perpendicular to the line represented by the equation $$y = 2x - 7$$ ?

The slope of the perpendicular line is $$-\frac{1}{2}$$ .

Are the lines represented by the equations $$y = (1/2)x + 2$$ and $$y = -2x + 13$$ perpendicular?

Yes, the lines are perpendicular because the product of their slopes is -1.

What is the slope of a line that is parallel to the line represented by the equation $$y = 4x + 5$$ ?

The slope of a line that is parallel to $$y = 4x + 5$$ is 4.

If two lines intersect at a right angle, what can we say about their slopes?

If two lines intersect at a right angle, their slopes are negative reciprocals of each other.

If a line has a slope of 0, what can we say about it?

A line with a slope of 0 is horizontal.

Parallel and Perpendicular Equations Flashcards

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1.

FLASHCARD QUESTION

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Tags

CCSS.8.EE.B.6

2.

FLASHCARD QUESTION

Front

If two lines have the same slope, what can we say about their relationship?

Back

If two lines have the same slope, they are parallel.

Tags

CCSS.8.EE.B.6

3.

FLASHCARD QUESTION

Front

Back

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CCSS.8.EE.B.5

4.

FLASHCARD QUESTION

Front

What is the slope of a line that is perpendicular to a line with a slope of 3?

Back

Tags

CCSS.8.EE.B.6

5.

FLASHCARD QUESTION

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Back

The lines are parallel because they have the same slope of 3.

Tags

CCSS.8.EE.B.6

6.

FLASHCARD QUESTION

Front

Back

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CCSS.8.EE.B.5

7.

FLASHCARD QUESTION

Front

Back

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CCSS.8.EE.B.6

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