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What value of g will make the expression 4x2 - 18xy + g a perfect square?

What value of g will make the expression 4x2 - 18xy + g a perfect square?
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  • A 9
  • B \(\frac{9y^2}{4}\)
  • C \(81y^2\)
  • D \(\frac{18y^2}{4}\)
Correct Answer: Option D
Explanation:
4x2 - 18xy + g = g \(\to\) (\(\frac{18y}{4}\))2
= \(\frac{18y^2}{4}\)

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