Parallel Perpendicular Slopes and Graphs

The two lines 4x - 6y = 11 and 3x + 2y = 9 are...

[Hint: Rewrite each equation to be in y=mx+b form.]

• Parallel

• Perpendicular

• Neither

Which equation would be PERPENDICULAR to the given line?

The graphs of the equations 5x - 3y = 12 and 10x - 6y = 24 are....

• Parallel

• Perpendicular

• Neither because it is the same line

• Neither because the slopes are not the same nor are they opposite reciprocals

Tags

CCSS.8.EE.C.8B

Which graph would be parallel to the graph of the equation y = - ⅔ x + 20

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Are these lines parallel?
y = 12x + 4
y = 12x +14

• YES

• NO

If two lines are parallel their slopes are  ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

Are these lines parallel?

y = (-1/2)x + 1

y = (1/2)x - 5

• YES

• NO

Tags

CCSS.8.EE.B.6

If two lines are perpendicular to each other their slopes are ____________

• the same.

• negative reciprocals of each other.

Tags

CCSS.8.EE.B.6

Are these lines perpendicular?
y = 4x + 2
y = (-1/4)x + 12

• YES

• NO

Tags

CCSS.8.EE.B.6

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

• YES

• NO

Tags

CCSS.8.EE.B.6