Parallel and Perpendicular Slopes

Slopes of perpendicular lines are...

• opposite reciprocals.

• opposites.

• the same.

• undefined.

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• undefined.

Slopes of Perpendicular lines are __________?

• Opposite

• Reciprocals

• Opposite Reciprocals

• Equal

Write the equation of a line that passes through the point (2, 6) and is perpendicular to the line y = -4x + 8.

• y = 1/4x + 5.5

• y = 4x + 6

• y = -1/4x + 8

• y = -4x + 8

Match the following to its perpendicular slope

• -4/15

• 5/4

• -4/5

• -7/5

• 3/2

• 15/4

• 5/7

• -2/3

Slopes of Parallel lines are ____________?

• opposites

• reciprocals

• equal

• oppostie reciprocals

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3

Choose the equation that is parallel to:
f(x) = - .25x - 1

• f(x) = .25x 

• f(x) = - .25x

• f(x) = 4x 

• f(x) = -4x

What slope is perpendicular to:  
m = 5/8

• -5/8

• 5/8

• -8/5

• 8/5

In the equation y=mx+b, what does the m represent?

• slope

• y-intercept

• linear

• point-slope