Parallel and Perpendicular Lines

Are the lines shown parallel. perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

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.

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• identical

• reciprocals

What slope is perpendicular to:

m = -3

• -3

• -1/3

• 1/3

• 3

Select all that are true.

• Parallel lines never intersect.

• Parallel lines intersect at a right angle.

• Perpendicular lines never intersect.

• Perpendicular lines intersect at a right angle.

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

Which of the following lines is PARALLEL to the graph of y = -6x + 3 and goes through the point (-1,4)?

• y=1/6x +25/6

• y = 1/6x + 4

• y = -6x - 2

• y = -6x + 4