Problem

3. Solve the quadratic equation by graphing it. Select all possible answers.
\[
\begin{array}{l}
y=-2 x^{2}+12 x-18 \\
x=?
\end{array}
\]
0
3
$-2$
4
7
1
No real solutions

Answer

Expert–verified

Hide Steps

Answer

\(\boxed{x = 3}\)

Steps

Step 1 ：Set y = 0: \(0 = -2x^2 + 12x - 18\)

Step 2 ：Solve for x: \(x = 3\)

Step 3 ：\(\boxed{x = 3}\)

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