Question

Use the quadratic function to predict y if x equals 6. Y=2x^2 -2x-2 A. Y=58 B. Y=-60C. Y=-58D. Y=60

Answer 1

Given quadratic function is

`y=2x^2-2x-2`

Putting x=6,

`\begin{gathered} y=2(6)^2-2(6)-2 \\ =72-12-2 \\ =72-14 \\ =58 \end{gathered}`