Algebra 1: Parallel vs. Perpendicular Line Test

Choose the best answer to fill in the blanks.

Parallel lines always have the ​ (a)   slope.

Perpendicular lines have slopes that are ​ (b)   .

The product of perpendicular slopes always equals ​ (c)  

• same
• negative reciprocals
• -1
• reciprocals
• 1
• different

What slope is parallel to this line?

Record your response as a simplified fraction or decimal.

What slope is perpendicular to this line?

Record your response as a simplified fraction.

Match the following perpendicular slopes.

• 2

• zero

• 2/3

• -1

• -3

• undefined

• 1

Tags

CCSS.8.EE.B.6

What slope is parallel to this line?

Record your response as a simplified fraction.

Tags

CCSS.8.EE.B.5

What slope is perpendicular to this line?

Record your response as a simplified fraction or decimal.

Tags

CCSS.8.EE.B.6