Mathematics > 2018 > 3
WASSCE
Given that y varies inversely as the square of x. If x = 3 when y = 100, fin the equation connecting x and y.
A.
yx2 = 300
B.
yx2 = 900
C.
| y | = | 100x 9 |
D.
y = 900x2
Answer: B
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