Linear Functions Pre Quiz

In the equation, y = mx + b, the letter b is the ___________.

• y-intercept
• x-intercept
• slope
• rate of change

What is the slope of the equation?
y = -3x + 4

• -3
• 3
• 4
• -4

Give the x-intercept
3x + 8y = 24

• (8, 0)
• (0, 8)
• (3, 0)
• (0, 3)

What is the equation of the line?

• y=3x
• y=3
• x=3
• y=-3

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Which graph represents 2x + 4y = 12?

• 
• 
• 
• 

Which equation best represents the relationship between x and y in the table shown?

• y= 5x+5
• y=1/5x+5
• y=15x+5
• y=10x+5

Find the slope of the line.

• Undefined
• 0
• 1
• -1

Find the slope of the line.

• Undefined
• 0
• 1
• -1

Find the x and y intercepts
4x - 5y = 40

• x intercept is 10 
  y intercept is 8
• x intercept is 10
  y intercept is 20
• x intercept is 8
  y intercept is 10
• x intercept is 10
  y intercept is -8