Linear Functions

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

Write the equation for the line

•  y=⅗x+1
•   y=⅗x-1
•  y=(5/3)x+1
• y=(3/5)x+1

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

• A
• B
• C
• D

Which equation is being represented by this line?

• y = -1x + 2
• y = 1/2x + 2
• y = 3x -4
• y = -3x +2

Consider the equation:
y=-x+4
Identify the slope and y-intercept.

• m=4, b=-x
• m=-x, b=4
• m=1, b=4
• m=-1, b=4

What type of slope does the following graph have?

• Postive
• Negative
• Zero Slope
• Undefined

When you graph a line using slope-intercept form, you plot the  ___________ first and then the ___________.

• origin; slope 
• slope; y-intercept
• y-intercept; x-intercept
• y-intercept; slope

What is the y-intercept for the given graph?

• -5
• 5
• 1
• -1

Sketch y = 2x + 1

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