Unit Test — Unit test Answers
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Paolo was asked to find the original dimension of an enlarged pentagon. His solution is shown next to the pentagons.Write a proportion. Cross multiply. Solve for x. Not drawn to scale What error did Paolo make in his solution?
P
Paolo set up an incorrect proportion.P
Paolo made an error when he cross multiplied the proportion.P
Paolo divided incorrectly when he solved for x.P
Paolo multiplied instead of divided when he solved for x.22
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A room is 12 feet long and 10.5 feet wide. A scale model of the room is 3.5 feet wide. What is the area of the scale model?
A
10.3 square feetB
14 square feetC
36 square feetD
122.5 square feet23
three
L
Length A of the book’s garden is 18 ft.L
Length A of Rasheeda’s garden is 27 ft.L
Length B of the book’s garden is 12 ft.L
Length B of Rasheeda’s garden is 6 ft.L
Length A of the book’s garden is 9 ft longer than length A of Rasheeda’s garden.L
Length B of the book’s garden is 3 ft shorter than length B of Rasheeda’s garden.24
A rectangle is enlarged by a factor of 6.What is the area of the enlarged rectangle?
A
120 in.²B
720 in.²C
2,400 in.²D
14,400 in.²
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