Equation of Parallel & Perpendicular Lines

Front

What is the slope of a line parallel to the line represented by the equation y = 3x + 4?

Back

The slope of a line parallel to y = 3x + 4 is 3.

Front

What is the slope of a line perpendicular to the line represented by the equation y = -rac{1}{2}x + 5?

Back

The slope of a line perpendicular to y = -\frac{1}{2}x + 5 is 2.

Front

Write the equation of a line parallel to y = 5x - 2 that passes through the point (1, 3).

Back

y = 5x - 2.

Front

Write the equation of a line perpendicular to y = 4x + 1 that passes through the point (2, 3).

Back

y = -\frac{1}{4}x + \frac{7}{4}.

Front

What is the y-intercept of the line represented by the equation y = 2x + 3?

Back

The y-intercept is 3.

Front

Which of the following equations has a graph parallel to the line y = -x + 1? y = -x + 5, y = x + 5, y = 2x + 1, y = -2x + 1

Back

y = -x + 5.

Front

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

Back

Their slopes are equal.

Front

If two lines are perpendicular, what is the relationship between their slopes?

Back

The product of their slopes is -1.

Front

Write the equation of a line parallel to y = rac{1}{3}x + 2 that passes through the point (0, 1).

Back

y = \frac{1}{3}x + 1.

Front

Write the equation of a line perpendicular to y = 2x - 3 that passes through the point (4, 1).

Back

y = -\frac{1}{2}x + 3.