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

What is the x-intercept for the given graph?

• 1
• -2
• 2
• 1/2

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

A line is parallel to   y = 2x - 7.
What is it's slope?

• -2
• 1/2
• -1/2
• 2

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

Is function represented by the table linear or nonlinear?

• linear
• nonlinear

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

Which statement best describes the number of cans Danny drinks per week?

• 2 cans per week
• 5 cans per week
• 10 cans per week
• 20 cans per week

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

Jennifer has read 110 pages of a 290-page book. She reads 20 pages each day. How many days will it take her to finish the book?

• 9 days
• 10 days
• 20 days
• 13 days

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

Identify the slope and y-intercept of:
y = 1/5x + 5

• slope: 1/6   y-intercept:  4 
• slope: 1/5   y-intercept:  5 
• slope: 5/1   y-intercept:  5 
• slope: 1   y-intercept:  5 

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

What is the y-intercept shown on the graph?

• (0, -2)
• (3, 0)
• (0, 3)
• None of these.

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

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the line of best fit to predict how many chapters would be in a book with 140 pages.

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters

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

Maggie is knitting blankets for the residents of a local nursing home. She already has 6 blankets completed. After one week, Kay has 8 blankets. After two weeks, Kay has 10 blankets. Kay's scenario is best represented by a _______________ function.

• Linear

• Quadratic

• Exponential

• None of the above

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

Using the Slope Formula

 $\frac{y_2-y_1}{x_2-x_1}\ \ \ \left(x_1,\ y_1\right)\left(x_2,\ y_2\right)$  
Find the slope of the line that passes through these two points:
 $\left(-1,\ -4\right)\left(4,\ 2\right)$  

•  $\frac{-6}{5}$  
  

•  $\frac{3}{2}$  
  

•  $\frac{6}{5}$  

•  $1$  
  

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