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

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

What is the slope of the line represented by the equation $$y = -\frac{2}{3}x + 2$$ ?

The slope of the line is $$-\frac{2}{3}$$ .

What is the slope of the line represented by the equation $$y = \frac{3}{2}x + 9$$ ?

The slope of the line is $$\frac{3}{2}$$ .

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

The slope of the perpendicular line is $$-\frac{1}{3}$$ .

If a line has a slope of -2, what is the slope of a line that is parallel to it?

The slope of the parallel line is also -2.

What is the relationship between the slopes of parallel lines?

Parallel lines have the same slope.

Given the equation $$y = \frac{3}{2}x + 6$$ , find a line that is perpendicular and passes through the point (-3, 4).

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

What does it mean for two lines to be neither parallel nor perpendicular?

It means the lines intersect at an angle that is not 90 degrees and do not have the same slope.

Parallel and Perpendicular Lines Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet. They have the same slope but different y-intercepts.

2.

FLASHCARD QUESTION

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees). The slopes of two perpendicular lines are negative reciprocals of each other.

3.

FLASHCARD QUESTION

Front

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

Back

The slope of a line perpendicular to a line with slope m is -1/m.

4.

FLASHCARD QUESTION

Front

Back

The slope of the line is 2.

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

Back

These lines are neither parallel nor perpendicular.

7.

FLASHCARD QUESTION

Front

Back

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