Identify Parallel and Perpendicular Slopes

Given the slopes of two lines, identify whether the lines are parallel, perpendicular or neither.

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Given the slopes of two lines, identify whether the lines are parallel, perpendicular or neither.

Slope of line #1 = 4

Slope of line #2 = -1/4

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Given the slopes of two lines, identify whether the lines are parallel, perpendicular or neither.

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Are Line EF and line CD parallel, perpendicular, or neither if:

slope of EF = -3/4

slope of CD = -3/4

• parallel

• perpendicular

• neither

Tags

CCSS.8.EE.B.6

To determine if lines are parallel or perpendicular by looking at their equations you should

• Write the equations in slope intercept form and compare the slopes of the lines.

• Write the equations in standard form and compare the slopes.

• Find the x and y intercepts.

• Guess

Tags

CCSS.8.EE.B.6

Which 2 equations show perpendicular lines?

• y= 1/3x -4

• y = 1/4x -4

• y= -1/3x +5

• y= 3x +5

• y= -x + 4

Are the slopes below parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

Which 2 equations are perpendicular?

• y= 1/3x -4

• y = 1/4x -4

• y= -1/3x +5

• y= 3x +5

• y= -x + 4

Which line is parallel to y=4x-8

• y=8x-4

• y=4x+4

• y=1/4x-8

• y= -1/4x-8

Given the slopes of two lines, identify whether the lines are parallel, perpendicular or neither.

Slope of line #1 = 12

Slope of line #2 = -12

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6