Question

Help me with quadratic functions, please.

Answer 1

@surjithayer

Answer 2

@wolf1728

Answer 3

You have a question?

Answer 4

Yes, it's posted above.

Answer 5

Would the vertex form be..?
2(x+3)^2+2?

Answer 6

\[y=2(x^2+6x)+20\]
\[=2\left( x^2+6x \right) +20\]
\[=2\left\{ x^2+6x+\left( \frac{ 6 }{ 2 } \right)^2-\left( \frac{ 6 }{ 2 } \right)^2 \right\}+20\]
\[=2\left( x+3 \right)^2-18+20\]
=?

Answer 7

2

Answer 8

-18+20=2 is correct
but write the whole solution.