Point R(−3, 9) belongs to the graph of the function y= k/x^2 . Find the value of k.
1 answer:
Answer:
k = 81
Step-by-step explanation:
y = k / x²
Plug in values.
9 = k / (-3)²
9 = k / 9
Solve for k by multiplying both sides by 9.
k = 81
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