Parallel and Perpendicular Equations

Are these lines parallel?

y = (-1/2)x + 1

y = (1/2)x - 5

• YES

• NO

Tags

CCSS.HSG.CO.A.1

Are these lines perpendicular?
y = (1/2)x + 2
y = -2x + 13

• YES
• NO

Tags

CCSS.8.EE.B.6

Write an equation of a line that passes through the point (-9,2) and is perpendicular to the line y = 3x - 12

• y = (-1/3)x - 1
• y = (1/3)x - 2
• y = -3x + 12
• y = 3x - 1

Tags

CCSS.HSG.GPE.B.5

Slopes of parallel lines are...

• opposite reciprocals.
• opposites.
• the same.
• always 7.

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite (sign) reciprocals.

• opposites.

• identical.

• always 7.

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Which is the equation of the line that is parallel to the graph of y = 5x + 7 and has a y-intercept at (0, -2)?

• y = 5x - 2

• y = -2x + 7

• y = 5(x - 2)

• y = -1/5x - 2

Tags

CCSS.HSG.GPE.B.5

What slope is perpendicular to:

m = 3

• -3

• -1/3

• 1/3

• 3

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.C.9

CCSS.HSG.GPE.B.5

Which of the following lines goes through the point (-3, 4) and is perpendicular to y = 3/2x + 6?

• y = 3/2x - 6

• y = 2/3x + 3

• y = -2/3x - 2

• y = -2/3x + 2

Tags

CCSS.HSG.GPE.B.5

y = 6x + 2
y = -6x + 2
These lines are...

• Parallel
• Perpendicular
• Neither

Tags

CCSS.8.EE.B.6