Question

1. convert to standard form.

$y = (x - 4)^2 + 5$

Explanation:

Step1: Expand the squared binomial

$(x-4)^2 = x^2 - 8x + 16$

Step2: Substitute and simplify

$y = (x^2 - 8x + 16) + 5$
$y = x^2 - 8x + 21$

Answer:

$y = x^2 - 8x + 21$