Understanding Linear Functions

Slope is another word for:

• Initial Value
• Rate of Change
• Change in Y's
• Y-intercept

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

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

What is the y-intercept for the given graph?

• (0,-5)

• (0,5)

• (0,1)

• (0,-1)

Find the slope of the line.

• 1/2
• -1/2
• 2
• -2

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

• A
• B
• C
• D

What is the y-intercept?

• 7
• 0
• 1
• 2

Find the value of y when x = 2.

• 2
• 6
• 7
• 8