Parallel, Perpendicular, or Neither

Front

What does m represent in y=mx+b?

Back

The slope.

Front

Which is the correct formula for point-slope form?

Back

y - y₁ = m(x - x₁)

Front

What is the relationship between two lines with the same slope?

Back

They are parallel.

Front

What is the relationship between two lines with slopes that are negative reciprocals of each other?

Back

They are perpendicular.

Front

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

Back

Their slopes are equal.

Front

If two lines are perpendicular, how do their slopes relate?

Back

The product of their slopes is -1.

Front

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

Back

3.

Front

What is the y-intercept of the line represented by the equation y=5x-2?

Back

-2.

Front

Given the equations y=2x+7 and y=2x+1, what is the relationship between the lines?

Back

Parallel.

Front

Given the slopes m=-2 and m=1/2, what is the relationship between the lines?

Back

Perpendicular.