Complete the square x2 – 6x + 8. Question 3 options: (x+3)2 – 1 (x-3)2 – 1 (x-3)2

Question

Complete the square x2 – 6x + 8.
Question 3 options:

(x+3)2 – 1

(x-3)2 – 1

(x-3)2

(x-6)2 – 28

in progress 0
Eliza 5 days 2021-09-15T17:54:08+00:00 2 Answers 0

Answers ( )

    0
    2021-09-15T17:55:35+00:00

    x^2-6x + 8=x^2-6x+9-1=(x-3)^2-1

    0
    2021-09-15T17:56:01+00:00

    Answer:

    (x – 3)^2 – 1.

    Step-by-step explanation:

    x2 – 6x + 8.

    We divide the coefficient of x by 2:

    -6 / 2 = -3 so the contents of the parentheses is x – 3:

    x^2 – 6x + 8

    = (x – 3)^2 – (-3)^2 + 8

    = (x – 3)^2 – 1.

Leave an answer

Browse
Browse

27:3+15-4x7+3-1=? ( )