7.3-7.4 Review

What does 'b" represent in y=mx+b

• y-intercept
• base
• nothing
• slope

What does "m" represent in y=mx+b?

• y-intercept
• slope
• measurements
• nothing

Slopes of parallel lines are...

• opposite reciprocals

• opposites

• the same

• reciprocals

Slopes of perpendicular lines are...

• opposite reciprocals

• opposites

• the same

• reciprocals

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5

What slope is parallel to:  
m = 3/4

• 4/3
• 3/4
• -3/4
• -4/3

What slope is perpendicular to:  
m = 3

• -3
• -1/3
• 1/3
• 3

What slope is parallel to:  
m = ³/₄

• ⁴/₃
• ³/₄
• ^-3/₄
• ^-4/₃

What slope is perpendicular to:  $m=\frac{5}{8}$  

•  $-\frac{5}{8}$  
  

•  $\frac{5}{8}$  
  

•  $-\frac{8}{5}$  
  

•  $\frac{8}{5}$  
  

What is the slope of a line perpendicular to 5?

• 5

• 1/5

• -1/5

• -5