Unit 5 Review

Darin recorded the height of a tree he planted from a seed at different time intervals.  His data is shown in the table below.  Based on this information, which represents the height of the tree each year?

• a
• b
• c
• d

Tags

CCSS.8.EE.B.5

The graph displays the distance a CO2 car traveled in a race.  Which statement is a correct interpretation of the slope of the line in the graph?

• 5 seconds per foot
• 5 feet per second
• 2 seconds per foot
• 2 feet per second

Tags

CCSS.8.EE.B.5

The graph shows the relationship between the height of a vase and the number of cubic inches of sand required to fill the vase.  Which equation represents the data in the graph?

• y= 2/7x
• y= 7/2x
• y=4/7x
• y= 7/4x

Tags

CCSS.8.EE.B.5

Lisa's school requires each student to earn 75 hours of community service each year.  Lisa has already earned 27 hours.  She plans to earn the remainder of her hours by volunteering at a nursing home.  If Lisa spends 2 hours at the nursing home per visit, which equation represents the number of visits, v, that Lisa will need to make to fulfill her community service requirements?

• v + 27(2) = 75
• v/2 + 27 = 75
• 27v + 2 = 75
• 2v + 27 = 75

Tags

CCSS.HSA.CED.A.3

The graph shows the balance remaining on Jason's loan after he makes each payment.  Based on the graph, what will be the remaining on Jason's loan after he makes the 12th payment?

• $750
• $300
• $450
• $150

Tags

CCSS.HSF.IF.B.4

The total number of washcloths, y, contained in x packages can be represented by the equation y = 8x.  Which of the following graphs best represents this situation?

• f
• h
• g
• j

Tags

CCSS.8.EE.B.5

A can of juice contains 175 calories per 2.5 servings.  Which of the following is NOT an equivalent number of calories per serving?

• 630 calories per 9 serving
• 525 calories per 8 servings
• 280 calories per 4 servings
• 910 calories per 13 servings

Tags

CCSS.6.RP.A.3B

A store sells a 5-pound bag of apples for $4.60.  Which of the following is NOT an equivalent price per pound of apples?

• A 15-pound bag for $9.20
• A 12-pound bag for $11.04
• A 7-pound bag for $6.44
• A 20-pound bag for $18.40

Tags

CCSS.6.RP.A.3B

Which representation shows  y as a function of x?

• a
• b
• c
• d

Tags

CCSS.8.F.A.1

Which set of order pairs does NOT show y as a function of x?

• {(3,-2); (5,-3); (7,-4); (9,-5)}
• {(3,-2); (6,-2); (9,-2); (12,-2)}
• {(4,-2); (5,-3); (6,-4); (7,-5)}
• {(4,-2); (5,-3); (4,-8); (5,-9)}

Tags

CCSS.8.F.A.1