Solve.
-x varies inversely asely as y $y ^ { 2 }$ 2. If x = 3 when y = 20, find x when y = 5.
A)x = 36
B)x = 75
C)x = 48
D)x = 4

Name: Solve. -x varies inversely asely as y $y ^ { 2 }$ 2. If x = 3 when y = 20, find x when y = 5. A)x = 36 B)x = 75 C)x = 48 D)x = 4
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Question

Quizplus · Accepted Answer

Since x varies inversely as y^2, we have x * y^2 = k (a constant). Given x = 3 when y = 20, k = 3 * 20^2 = 1200. When y = 5, x = 1200 / 5^2 = 48.

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-X Varies Inversely Asely as Y $y ^ { 2 }$