4-6 Parallel and Perpendicular Lines

Front

What does 'b' represent in the equation y=mx+b?

Back

y-intercept

Front

What does 'm' represent in the equation y=mx+b?

Back

slope

Front

Which of the following lines is perpendicular to y = (3/2)x + 6? y = (3/2)x - 6, y = (2/3)x + 3, y = -(2/3)x + 2

Back

y = -(2/3)x + 2

Front

If y = -2/3x + 2 and y = 3/2x + 9, are these lines parallel, perpendicular, or neither?

Back

Perpendicular

Front

Back

-2

Front

What is the relationship between the slopes of two parallel lines?

Back

The slopes are equal.

Front

What is the relationship between the slopes of two perpendicular lines?

Back

The product of their slopes is -1.

Front

If a line has a slope of 4, what is the slope of a line perpendicular to it?

Back

-1/4

Front

What is the slope of the line represented by the equation y = 5x + 3?

Back

5

Front

What is the slope of the line represented by the equation y = -3x + 1?

Back

-3