Question

Sandra wrote p(x) = 30x + 5x2 in vertex form. Her work is below.

1. p(x) = 5x2 + 30x

2. p(x) = 5(x2 + 6x)

3. = 9;

4. p(x) = 5(x2 + 6x + 9) – 5(9)

5. p(x) = 5(x + 3)2 – 45




Describe Sandra’s

Answer 1

Explanation:

raps in 6