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Evaluate the expression y=-4y^2 + 6y+9by th way that's y to the power of 2

Evaluate the expression y=-4y^2 + 6y+9by th way that's y to the power of 2
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Evaluate the expression y=-4y^2 + 6y+9by th way that's y to the power of 2

User RobLabs
by
8.0k points

1 Answer

2 votes

we have the following:


y^2+6y+9

replacing, y = -4


\begin{gathered} (-4)^2+6\cdot(-4)+9 \\ 16-24+9=25-24=1 \end{gathered}

therefore, the answer is 1

User Tamim
by
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