Hess- Parallel and Perpendicular Slopes Review

Parallel lines have the same slope

• True
• False

Tags

CCSS.8.EE.B.6

The slope of perpendicular lines are opposite reciprocals

• True

• False

Tags

CCSS.8.EE.B.6

 $y=3x+2$ 

  $y=3x-3$  
These lines are...

• Parallel

• Perpendicular

• Neither

• The same line

Tags

CCSS.8.EE.C.8B

 $y=-\frac{2}{3}x+2$  
 $y=\frac{3}{2}x+9$  
These lines are...

• Parallel

• Perpendicular

• Neither

Tags

CCSS.8.EE.B.6

A line is perpendicular to y = 2x - 7.

What is the slope of this line?

• -2

• 1/2

• -1/2

• 2

Tags

CCSS.8.EE.B.6

 Which equation is parallel to:  $y=\frac{5}{7}x+2$  

•  $y=-\frac{7}{5}x+1$  

•  $y=\frac{7}{5}x+4$  

•  $y=-\frac{5}{7}x-3$  

•  $y=\frac{5}{7}x+5$  

Which equation is perpendicular to: $y=-6x+2$  

•  $y=6x+1$  

•  $y=\frac{1}{6}x+4$  

•  $y=-6x+3$  

•  $y=-\frac{1}{6}x+5$  

Which line(s) are parallel to: $y=3x+1$  

•  $y=-3x-1$  

•  $y=-\frac{1}{3}x+3$  

•  $y=3x$  

• None of them

Which of these lines are parallel to each other:
 $\left(1\right)\ y=5x-1$  
 $\left(2\right)\ y=\frac{1}{5}x$  
 $\left(3\right)\ y=-\frac{1}{5}x+11$  

• 1 & 2

• 2 & 3

• 1 & 3

• None of them

Tags

CCSS.8.EE.B.6

 Write the equation in point-slope form of the line that passes through the given point and has the given slope. $(4,-7);\ m=-\frac{1}{4}$ 

•  $y+7=-\frac{1}{4}(x-4)$  

•  $y-4=-\frac{1}{4}(x+7)$  

•  $y+7=4(x-4)$  

•  $y-7=-\frac{1}{4}(x-4)$