Unit 3B Common Assessment Review

A satellite is 18 meters wide. A model of it was built with a scale of 1 centimeter : 3 meters. How wide is the model?

• 6 meters

• 6 centimeters

• 54 meters

• 54 centimeters

Tags

CCSS.7.G.A.1

The area of a patio is 120 square feet. The length of the patio is 12 feet. Plot line segments on the grid below to create a scale drawing of the patio where 1 unit represents 2 feet.

Tags

CCSS.3.MD.B.4

Quadrilateral A and Quadrilateral B are similar figures. What is the scale factor from Quadrilateral A to Quadrilateral B?

Tags

CCSS.7.G.A.1

The area of Rectangle ABCD is 96 in². The area of Rectangle WXYZ is 864 in². Rectangle ABCD has a base of 12 in and a height of 8 in. If the two rectangles are similar, what are the base and height of Rectangle WXYZ?

The graph shows the distance traveled by an Olympic-level sprinter over time during a race. Find the slope of the line.

Tags

CCSS.8.EE.B.5

All of the labeled points in the graph are on the same line. Determine the values of a and b.

Tags

CCSS.8.EE.B.6

Michelle uses beads to make bracelets. For each bracelet, Michelle uses red beads and blue beads. The ratio of red beads to blue beads is 3:2. Graph the line that shows the proportional relationship between the number of red beads and the number of blue beads.

Tags

CCSS.7.RP.A.2D

What does the point (1, 3) represent on the graph below?

• It shows that the revenue is a constant rate of $1.

• It shows that for every 1 item produced, the revenue is $3.

• It shows that for every 3 items produced, the revenue is $1.

• It shows that for every 300 items produced, the revenue is $100.

Tags

CCSS.HSF.LE.B.5

Melanie buys 2 shells for $0.80. Rosi buys 3 shells for $1.20. Carlos buys 4 shells for $1.60. Use the graph to represent this situation. Is there a proportional relationship between the cost and the number of shells? If so, what does the constant of proportionality mean in this situation?

Tags

CCSS.7.RP.A.2D

Draw a graph of a proportional relationship that passes through the point (2, 1).

Tags

CCSS.7.RP.A.2D