What is the slope of a line that is perpendicular to a line with a slope of $$\frac{1}{2}$$ ?

The slope of a line that is perpendicular to a line with a slope of $$\frac{1}{2}$$ is $$-2$$ (the opposite reciprocal).

What is the opposite reciprocal of a slope of $$-3$$ ?

The opposite reciprocal of a slope of $$-3$$ is $$\frac{1}{3}$$ .

If the slope of a line is $$\frac{1}{4}$$ , what is the slope of a line parallel to it?

The slope of a line parallel to a line with a slope of $$\frac{1}{4}$$ is also $$\frac{1}{4}$$ .

What is the slope of a line that is perpendicular to a line with a slope of $$1$$ ?

The slope of a line that is perpendicular to a line with a slope of $$1$$ is $$-1$$ .

What is the slope of a horizontal line?

The slope of a horizontal line is 0.

What is the slope of a vertical line?

The slope of a vertical line is undefined.

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

The slope of a line parallel to a line with a slope of $$-2$$ is also $$-2$$ .

What do we call two lines that intersect at a right angle?

Two lines that intersect at a right angle are called perpendicular lines.

If the slope of one line is $$\frac{3}{4}$$ , what is the slope of a line perpendicular to it?

The slope of a line perpendicular to a line with a slope of $$\frac{3}{4}$$ is $$-\frac{4}{3}$$ .

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

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

If two lines have slopes of $$\frac{2}{5}$$ and $$-\frac{5}{2}$$ , are they perpendicular?

Yes, the lines are perpendicular because their slopes are opposite reciprocals.

Slope - parallel and perpendicular lines Flashcards

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14 questions

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1.

FLASHCARD QUESTION

Front

What is the slope of a line?

Back

The slope of a line is a measure of its steepness, typically represented as 'm' in the equation of a line, and is calculated as the change in y divided by the change in x (rise over run).

2.

FLASHCARD QUESTION

Front

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

Back

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

3.

FLASHCARD QUESTION

Front

Back

4.

FLASHCARD QUESTION

Front

Back

5.

FLASHCARD QUESTION

Front

Back

6.

FLASHCARD QUESTION

Front

Back

7.

FLASHCARD QUESTION

Front

How do you find the slope between two points (x1, y1) and (x2, y2)?

Back

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