7th Grade Chapter 4 Review

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

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

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

Identify the y-intercept for the function:
y=-3x

• -3
• 0
• 1
• -1

Given the equation y = 2x+3, what is the slope?

• 2
• x
• 3
• IDK

Which equation matches the graph? 

• y=3x-2
• y=-9x+2
• y=9x+2
• y=3x+2

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined

Find the slope of the line.

• Undefined
• 0
• 1/1
• -1/1

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

• 1/2
• -1/2
• 2
• -2

Find the slope of the line that passes through
(19, -2) and (-11, 10)

• -2/5
• 2/5
• 5/2
• -5/2