Unit 3 Review

Slopes of parallel lines are...

• opposite reciprocals

• the same

• opposites

• always 7

Tags

CCSS.8.EE.B.5

Slopes of perpendicular lines are...

• opposite reciprocals

• the same

• opposite

• always 7

Tags

CCSS.8.EE.B.5

 $y=\frac{-2}{7}x+4$  and  $y=\frac{7}{2}x-3$  are parallel lines

• True

• False

Tags

CCSS.8.EE.B.6

If I am looking for a line parallel to $y=-3x-2$  which one of these equations could it be?

•  $y=-2x-1$  

•  $y=3x-4$  

•  $y=-3x+6$  

•  $y=-2x-3$  

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

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

• the same line

• perpendicular

• neither

• parallel

Tags

CCSS.8.EE.C.8B

 $-6x+y=2$  and  $6x+y=2$   (Hint: get y alone!)

• Parallel

• Perpendicular

• Neither

 $y=\frac{-2}{3}x+2$  and  $y=\frac{3}{2}x+9$  

• Parallel

• Perpendicular

• Neither

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

What is the slope of a line parallel to the line  $-2x+y=-7$  

• -2

• -1/2

• 1/2

• 2

Tags

CCSS.8.EE.B.5

 $-2x+y=-7$  What is the slope perpendicular to the line

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.5

Which is the equation of the line that is parallel to the graph of y = 5x + 7 and has a y-intercept at (0, -2)?

• y = 5x - 2

• y = -2x + 7

• y = 5(x - 2)

• y = -1/5x - 2

Tags

CCSS.HSG.GPE.B.5