Slope Review / Parallel & Perpendicular Lines

Two lines that are parallel will have _________ slopes.

• same

• different

Tags

CCSS.8.EE.B.6

What are perpendicular lines?

• Lines that intersect at one point

• Lines that intersect and form a 9o° angle

• Lines that do not intersect

• Lines that cross the x and y axis

Tags

CCSS.HSG.CO.A.1

Which of the following is the correct opposite reciprocal for

 $4$  ?

•  $\frac{4}{1}$  

•  $-\frac{1}{4}$  

•  $-\frac{4}{1}$  

•  $\frac{1}{4}$  

Tags

CCSS.8.EE.C.7B

Which of the following is the correct opposite reciprocal for

 $-\frac{4}{5}$  ?

•  $\frac{4}{5}$  

•  $-\frac{5}{4}$  

•  $-\frac{4}{5}$  

•  $\frac{5}{4}$  

Lines that are perpendicular will have _____________ slopes

• same

• different

• opposite reciprocal

Tags

CCSS.8.EE.B.6

Line A is represented by the line

 $y=\frac{1}{4}x-4$ . Line B is parallel to Line A. What is the slope of Line B?  

• m =  $-4$  

•  m =  $\frac{1}{4}$  

• m =  $-\frac{1}{4}$  

• m =  $4$  

Tags

CCSS.8.EE.B.5

Line C is represented by the line

 $y\ =\ -5x\ -\ 5$  . Line D is perpendicular to Line C. What is the slope of Line D? 

• m = $-5$  

• m =  $5$  

• m =  $-\frac{1}{5}$  

• m =  $\frac{1}{5}$  

Tags

CCSS.8.EE.B.6

Line C is represented by the line

 $y\ =\ \frac{4}{5}x\ -\ 3$  . Line D is perpendicular to Line C. What is the slope of Line D? 

• m = $-\frac{5}{4}$  

• m =  $\frac{5}{4}$  

• m =  $-\frac{4}{5}$  

• m =  $\frac{4}{5}$  

Tags

CCSS.8.EE.B.6

Consider Line A and Line B.
Line A:  $y=-\frac{5}{4}x-1$  
Line B:  $y=-\frac{5}{4}x+2$  
Line A and Line B are ____________________.

• parallel

• perpendicular

• identical

Consider Line A and Line B.
Line A:  $y=-5x+3$  
Line B:  $y=\frac{1}{5}x+1$  
Line A and Line B are ____________________.

• parallel

• perpendicular

• neither

Tags

CCSS.8.EE.B.6