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Proportion quiz to test understanding of solving for x, unit rate, yes or no
Questions and Answers
1.
Solve for x 4 = 8 x 4
A.
1
B.
4
C.
2
D.
0
Correct Answer C. 2
2.
Do the following ratios solve a proportion? 1 = 9 2 4
A.
Yes
B.
No
Correct Answer B. No
Explanation The given ratios do not solve a proportion because the ratio of 1 to 9 is not equivalent to the ratio of 2 to 4. In a proportion, the ratios should be equal to each other.
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3.
Solve for b b = 12 4 3
A.
12
B.
16
C.
10
D.
5
Correct Answer B. 16
4.
Using the map scale 2 inches = 20 miles, how many miles apart are cities that are 4 inches apart?
A.
10 miles
B.
60 miles
C.
80 miles
D.
30 miles
Correct Answer C. 80 miles
Explanation According to the given map scale, 2 inches represent 20 miles. Therefore, 1 inch represents 10 miles. If cities are 4 inches apart on the map, then the distance between them would be 4 times 10 miles, which equals 40 miles. Thus, the correct answer is 40 miles.
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5.
How many different ways can you write ratios?
Correct Answer 3
Explanation There are three different ways to write ratios: as a fraction, using the word "to", or using a colon. These three methods are all valid ways to represent ratios and can be used interchangeably depending on the context.