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

Lonnie plans to join the gym.  He must pay a $35 membership fee.  He will then pay $5 each month.  What is the slope?

• 7
• 35
• 5
• 1/7

Tags

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

Write a recursive rule for the sequence 17, 1, -15, -31 . . .

• a_n = a_n-1 + 16
• a_n = a_n-1 - 17
• a_n = a_n-1 - 15
• a_n = a_n-1 - 16

Tags

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

A weightlifter is adding plates of equal weight to a bar.  The table below shows the total weight, including the bar, that he will lift depending on the total number of plates on the bar.
Number of Plates                   Total Weight (lb)
2                                               115
4                                               185
6                                               255
8                                               325
Based on this information, which statement is true?

• The bar weighs 35 lb without any plates.
• The bar weighs 70 lb without any plates.
• The bar weighs 45 lb without any plates.
• The bar weighs 25 lb without any plates.

Tags

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

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined

Tags

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

Write the equation in point-slope form for the line that contains the points
(-2, -3), (4, 3)

• y - 3 = 1(x - 2)
• y + 3 = 1(x + 2)
• y -3 = -1(x + 2)
• y + 3 = -1(x - 2)

Tags

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

Identify the slope of a line parallel to the one graphed.

• -7/3
• 3/7
• -3/7
• 7/3

Tags

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

What does "m" represent in y=mx+b?

• y-intercept
• slope
• macaroni
• nothing

Tags

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

4)  Rosa invests her tax return check into an account with a compounded interest rate of 1 3/4 %.  She plans on keeping the account open for 12 years.  If she has $1600.87 in her account at the end of 12 years, approximately how much was her initial investment?

• $1,300
• $1,970
• $7,690
• $11,000

Tags

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 trend line to predict how many pages would be in a book with 6 chapters. 

• 100 pages
• 170 pages
• 60 pages
• 20 pages

Tags

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

Which of the following is a graph the function

f(x)=-1/2x + 5

• 
• 
• 
• 
• None of the graphs are correct, the graph should have a slope of 5

Tags

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