Parallel and Perpendicular Lines

Slopes of parallel lines are...

• negative reciprocals.

• opposites.

• the same.

• always 7.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Slopes of perpendicular lines are...

• negative reciprocals.

• opposites.

• the same.

• always 7.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

y = 3x +2

y = 3x - 3

These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

y = -2/3x + 2
y = 3/2x + 9
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Choose ALL the lines PARALLEL to the following line: y = 2/9x - 7

• y = 2/9x + 8

• y = 9/2x -12

• -2y = 9x + 8

• 9y = 2x -18

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

A line is perpendicular to    y = 2x - 7.
What is the slope of this line? 

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

What slope is perpendicular to:  
m = 5/8

• -5/8

• 5/8

• -8/5

• 8/5

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

CCSS.HSG.GPE.B.5

What slope is parallel to:  
m = 3/4

• 4/3

• 3/4

• -3/4

• -4/3

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Write the equation of a line PERPENDICULAR to the line y = 3x + 2 that passes through the point (9, -2)

• y = -1/3x - 5

• y = 3x-29

• y = 1/3x -5

• y = -1/3x +1

Tags

CCSS.HSG.GPE.B.5

Write the equation of the line PARALLEL to the line y = 4x - 9 that passes through the point (-2, 4)

• y = 4x + 12

• y = -4x -4

• y = -1/4x + 5/2

Tags

CCSS.HSG.GPE.B.5