Writing Linear Equations & Parallel & Perpendicular Lines Review

Front

What is the slope of a line parallel to y = 2x + 3?

Back

The slope is 2.

Front

Write the equation of a line with slope -4 that passes through the point (2, 1).

Back

y = -4x + 9.

Front

What is the slope of a line perpendicular to y = 1/2x - 3?

Back

The slope is -2.

Front

Write an equation that is parallel to the line y = -x + 4 through the point (3, 2).

Back

y = -x + 5.

Front

What is the y-intercept of the line y = 4x - 7?

Back

The y-intercept is -7.

Front

Determine if the lines y = 2x + 1 and y = 2x - 3 are parallel, perpendicular, or neither.

Back

They are parallel.

Front

What is the equation of a line that is perpendicular to y = -3x + 2 and passes through the point (1, 4)?

Back

y = 1/3x + 11/3.

Front

If two lines have slopes m1 and m2, what condition must be met for them to be perpendicular?

Back

m1 * m2 = -1.

Front

Write the equation of a line with slope 0 and y-intercept 4.

Back

y = 4.

Front

What is the slope of the line represented by the equation 3x + 4y = 12?

Back

The slope is -3/4.