Parallel and Perpendicular Lines in Context

Are the lines shown parallel. perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

• Parallel

• Perendicular

• Neither

Which equation is perpendicular to:
 y = -6x +2

• y = 6x +1

• y = 1/6x +4

• y = -6x +3

• y = -1/6x +5

Are the lines shown parallel. perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

The two lines are _____________________.

• Parallel

• Perpendicular

• Neither

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• identical.

• always 7.

Determine the equation of a line perpendicular to y=-3x-2 and going through the point (9, 2), in slope-intercept form.

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• reciprocals

What slope is parallel to:

m = 4

• 4

• -1/4

• -4

• 1/4

What slope is perpendicular to:

m = -3

• -3

• -1/3

• 1/3

• 3