Chapter 3: Linear Functions

Which equation is being represented by this line?

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

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

Find the slope of the line.

• 4/2
• -4/2
• 2
• -2

Tags

CCSS.8.EE.B.5

Which equation represents the graph?

• x = 2
• y = 2
• y = 2x
• y = undefined

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

• 1/2
• -1/2
• 2
• -2

Tags

CCSS.8.EE.B.5

Write in slope-intercept form:
-3x + 4y = 12

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

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $100 is earned for every 2 hours worked
• $500 is earned for every 8 hours worked
• $200 is earned for every 3 hours worked

Tags

CCSS.HSF.LE.B.5

Calculate the rate of change.

• 6
• 1/6
• -6
• -1/6

Tags

CCSS.HSF-LE.A.1B

Write the function rule for the following table.

•  5x
• 5x + 1
•  x + 5
•  x + 1

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In a direct variation, y=39 when x=3.  Find the value of y when x=2.

• 26
• 3
• 58.5
• 2

Tags

CCSS.HSF-LE.A.1B