Linear, Quadratic and Cubic Functions

Identify the following function. 

• Linear
• Exponential
• Quadratic
• Neither

Which equation represents the following graph?

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

What is the y-intercept in the equation?

y = 5x - 4

• (0,5)

• (0,-4)

• (-4,0)

• (5,0)

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Which is the graph of y=-x+2?

• A
• B
• C
• D

What is the y-intercept?

• 7
• 0
• 1
• 2

What direction is an undefined slope?

• horizontal
• vertical

What is the slope of all horizontal lines?

• 0
• undefined
• 1
• -1

Find the slope of the line that passes through the points (2, 4) and (6, 12)

• 1/2
• -1/2
• 2
• -2

What slope is perpendicular to:  
m = 5/8

• -5/8
• 5/8
• -8/5
• 8/5