Analyzing Solutions — Unit test Answers

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1
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What is the solution to the equation ?

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A
x = 0.15
Option A
B
x = negative 0.15
Option B
C
x = negative 0.3
Option C
D
x = 0.3
Option D
3

Steven cuts a 25-foot board into 2 pieces. One piece is 4 feet more than 2 times the length of the second piece. What is the length of the second, shorter, piece of the board?

Answer not available
4

What is the value of x in the equation ?

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Answer not available
6

Juanita wants to model the equation . She begins with the tiles below. How can Juanita complete her model?

Question illustration
A
Put 4 yellow unit tiles on the left side of the equal sign.
B
Put 4 yellow unit tiles on the right side of the equal sign.
C
Put 6 green x-tiles on the right side of the equal sign.
D
Put 6 yellow unit tiles on the right side of the equal sign.
9

What is the value of c in the equation ?

Question illustration
A
3 and one-sixth
Option A
B
7 and StartFraction 7 Over 12 EndFraction
Option B
C
12
D
17
11

Which finds the solution to the equation represented by the model below?

Question illustration
A
removing 1 x-tile from each side
B
removing 3 unit tiles from the right side
C
adding 3 positive unit tiles to each side
D
arranging the tiles into equal groups to match the number of x-tiles
12

Three investors own a company. One partner owns of the company, while the second partner owns of the company. How much does the third partner own?

Question illustration
A
Two-thirds
Option A
B
StartFraction 7 Over 20 EndFraction
Option B
C
StartFraction 13 Over 20 EndFraction
Option C
D
StartFraction 17 Over 20 EndFraction
Option D
15

Which should be the first step in solving the equation ?

Question illustration
A
Add 3.8 to both sides of the equation.
B
Subtract 1.2 from both sides of the equation.
C
Multiply both sides of the equation by 1.2.
D
Divide both sides of the equation by 3.8.

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