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.

How do you determine if two lines are parallel?

Two lines are parallel if they have the same slope.

What is point-slope form of a linear equation?

Point-slope form is $$y - y_1 = m(x - x_1)$$ , where $$m$$ is the slope and $$(x_1, y_1)$$ is a point on the line.

What is the relationship between the slopes of perpendicular lines?

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

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

The slope of a line perpendicular to it is $$\frac{1}{2}$$ .

What is the general form of a linear equation?

The general form of a linear equation is $$Ax + By + C = 0$$ , where $$A$$ , $$B$$ , and $$C$$ are constants.

Fall Interim Review 3: Perpendicular, Parallel, HOY & VUX Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

Back

A vertical line.

2.

FLASHCARD QUESTION

Front

Back

A horizontal line.

3.

FLASHCARD QUESTION

Front

Back

4.

FLASHCARD QUESTION

Front

What is the equation of the line graphed above if it is horizontal at y = -4?

Back

5.

FLASHCARD QUESTION

Front

What is the equation of the line that passes through the point (-2, 7) and has a slope of zero?

Back

6.

FLASHCARD QUESTION

Front

Define a vertical line in terms of its equation.

Back

7.

FLASHCARD QUESTION

Front

Define a horizontal line in terms of its equation.

Back

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