Monday Feb. 17th Practice

What does the "m" represent in  $y=mx+b$  

• y-intercept

• measurement

• slope

• nothing

What does the "b" represent in  $y=mx+b$  

• y-intercept

• nothing

• slope

• base

If two lines are parallel their slopes are  ____________

• the same.
• negative reciprocals of each other.

Slopes of parallel lines are...

• opposite reciprocals

• the same

• opposites

• always 7

What is the slope in the equation  $y=4x+3$  

• 3

• 4

• 3x

• 4x

Are these lines parallel?

y = (-1/2)x + 1

y = (1/2)x - 5

• YES

• NO

Are these lines parallel?
y = 12x + 4
y = 12x +14

• YES
• NO

A line is parallel to   y = 2x - 7.
What is it's slope?

• -2
• 1/2
• -1/2
• 2

Level 2

Which equation is parallel to:

y = 5/7x +2

• y = -7/5x +1

• y = 7/5x +4

• y = -5/7x -3

• y = 5/7x +5

Level 3

Which two equations below are parallel?

• y = 2x + 1 and y = -1/2x + 1

• y = 2x + 3 and y = -2x + 3

• y = 2x - 1 and y = 1/2x - 1

• y = -x + 4 and y = -x + 2