What is the slope of a line that is perpendicular to a line with slope $$\frac{5}{7}$$ ?

The slope is $$-\frac{7}{5}$$ .

What is the slope of a line that is perpendicular to a line with slope $$\frac{3}{4}$$ ?

The slope is $$-\frac{4}{3}$$ .

If a line has a slope of $$m$$ , what is the slope of a line parallel to it?

The slope of a parallel line is also $$m$$ .

If a line has a slope of $$m$$ , what is the slope of a line perpendicular to it?

The slope of a perpendicular line is $$-\frac{1}{m}$$ .

What is the equation of a line that is perpendicular to $$y=2x+3$$ and passes through the point (1,1)?

The equation is $$y=-\frac{1}{2}x+\frac{3}{2}$$ .

What is the slope of a line that is parallel to a line with slope $$\frac{-1}{3}$$ ?

The slope is $$\frac{-1}{3}$$ .

If two lines are parallel, what can be said about their equations?

Their equations will have the same slope.

If two lines are perpendicular, what can be said about their slopes?

Their slopes are opposite reciprocals.

Parallel & Perpendicular Lines Post Test Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

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2.

FLASHCARD QUESTION

Front

Back

3.

FLASHCARD QUESTION

Front

What is the relationship between the slopes of parallel lines?

Back

The slopes of parallel lines are the same.

4.

FLASHCARD QUESTION

Front

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

What is the relationship between the slopes of perpendicular lines?

Back

The slopes of perpendicular lines are opposite reciprocals.

7.

FLASHCARD QUESTION

Front

Back

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