4.3 Parallel vs. Perpendicular Lines

Slopes of parallel lines are...

• negative reciprocals.

• negatives.

• the same.

• always 7.

Tags

CCSS.HSG.GPE.B.5

Slopes of perpendicular lines are...

• negative reciprocals.

• negatives.

• the same.

• always 7.

Tags

CCSS.HSG.GPE.B.5

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

Tags

CCSS.8.EE.B.6

What is the slope of a line perpendicular to 5?

• 5

• 1/5

• -1/5

• -5

Tags

CCSS.8.EE.B.5

Consider the equations below.  What is the best description of these lines?
 $y=-\frac{1}{3}x+4$  

 $y=3x+1$  

• parallel

• perpendicular

• intersecting

Tags

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.11

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

Are the two linear equations parallel, perpendicular, or neither?

• Parallel

• Perpendicular

• Neither

Tags

CCSS.HSA.REI.C.6

CCSS.HSG.GPE.B.5

Tags

CCSS.HSG.GPE.B.5

• y = 4x + 14

• y = 3x + 12

Tags

CCSS.HSG.GPE.B.5

Tags

CCSS.HSG.GPE.B.5