SAT Math Multiple Choice Practice Question 290: Answer and Explanation

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Question: 290

4. If b varies inversely as the square of c, and if when , then what could be the value of c when

A. 2
B. 5
C. 6
D. 25
E. 36

Correct Answer: C

Explanation:

C If b varies inversely as the square of c, then the equation that relates them is where k is some constant. To find the value of k, just plug in the given values for b and c:

Therefore, the specific equation relating b and c is . To find the value of c when , just substitute and solve:

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