What value of g will make the expression 4x2 - 18xy + g a perfect square?
a
9
b
\(\frac{9y^2}{4}\)
c
81y^2
d
\(\frac{18y^2}{4}\)
Explanation
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Qozeem08
3 years ago
no answer
half of the coefficient is 18y/4 x 1/2
which is 18y/8 which is 9y/4 then square it which is 81y²/16
basically u can now multiple all by 16 and get straign equation without fraction
