Question

Convert the following quadratics from vertex form to standard form:
y=2(x-2)^2-3

Answer 1

y = 2x² - 8x + 5

Explanation:

y = 2(x-2)^2 - 3

Expand,

y = 2x² - 8x + 8 - 3

Subtract the number,

y = 2x² - 8x + 5