Parallel Lines and Slopes

Will these lines ever intersect? How do you know?

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Slopes of parallel lines are...

• opposite reciprocals.

• opposites.

• the same.

• always 7.

Tags

CCSS.8.EE.B.5

y = 3x +2
y = 3x - 3
These lines are...

• Parallel

• Perpendicular

• Neither

• The same line

Tags

CCSS.8.EE.C.8B

Which two lines are parallel?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

• -2

• 2

• 1/2

• -1/2

Tags

CCSS.8.EE.B.5

If a line has a slope m=-5/9, then what is the slope of the line that is parallel to it?

• m=-9/5

• m=-5/9

• m=9/5

Tags

CCSS.8.EE.B.6

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

Tags

CCSS.8.EE.B.6

What is the slope of a line parallel to the line whose equation is: -2x + y = - 7?

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.5

A line is parallel to y = 5x - 17. What is the slope of the parallel line?

• -17

• 5

Tags

CCSS.8.EE.B.5