Equations of Parallel and Perpendicular Lines Review

Front

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

Back

The slope is 2.

Front

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

Back

The slope is -1/3.

Front

Are the lines y = 5x + 1 and y = 5x - 4 parallel?

Back

YES

Front

If two lines are perpendicular, their slopes are ____________

Back

negative reciprocals of each other.

Front

Write an equation of a line that passes through the point (1,2) and is parallel to y = 4.

Back

y = 4.

Front

Write an equation of a line that passes through the point (3, -2) and is perpendicular to y = -2x + 5.

Back

y = 1/2x + 1/2.

Front

Are the lines y = -x + 3 and y = x - 1 perpendicular?

Back

YES

Front

What is the general form of the equation of a line?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

If the slope of a line is 0, what type of line is it?

Back

It is a horizontal line.

Front

If the slope of a line is undefined, what type of line is it?

Back

It is a vertical line.