CCSS.Math.Content.8.F.B.4

Write an equation in slope-intercept form that has m = 5 through (-1, -3)

• y = 5x + 2
• y = -5x - 5
• y = -5x + 2
• y = 2x - 5

Tags

CCSS.Math.Content.8.F.B.4

Which statement below accurately represents the graph?

• $100 is earned for each hour worked
• $200 earned for every 2 hours worked
  is the unit rate
• $500 is earned for every 8 hours worked
• $300 is earned after working 4 hours

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CCSS.Math.Content.8.F.B.4

What is the rate of change for the following graph?

• 80
• 20
• 40
• 160

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CCSS.Math.Content.8.F.B.4

If the parent function (y = x) is changed to have a slope of (2/3) and a y-intercept of 4, then which is true?

• The new line is steeper than the original and the y-intercept has been translated down.
• The new line is less steep than the original and the y-intercept has been translated up.
• The new line is steeper than the original and the y-intercept has been translated up.
• The new line is less steep than the original and the y-intercept has been translated down.

Tags

CCSS.Math.Content.8.F.B.4

.Write the equation of the line where m = -1 and passes through the point (-2, 4)
(y = mx + b)

• x = -2
• y = 4x - 2
• b = 2
• y = -1x + 2

Tags

CCSS.Math.Content.8.F.B.4

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.Math.Content.8.F.B.4

Which graph is linear?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.Math.Content.8.F.B.4

Is the slope positive or negative?

• positive
• negative

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CCSS.Math.Content.8.F.B.4

Kathy charges $25.00 per hour to tutor students. Is this an example of a proportional relationship?

• Yes, because $25.00 is a constant rate of change.

• Yes, because she tutors more than one student.

• No, because there is no initial fee.

• If cannot be determined because we don't know how many students she tutors.

Tags

CCSS.Math.Content.8.F.B.4

What is the slope of a line parallel to  $y=-2x+7$  ?

•  $\frac{1}{2}$  

•  $-2$  

•  $7$  

•  $\frac{1}{7}$  

Tags

CCSS.Math.Content.8.F.B.4