elizabethmorehouse11
Answered

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3. Write y = x2 - 4x - 1 in vertex form.

Sagot :

theleangreenbean

Answer:

[tex]y = (x-2)^2 - 5[/tex]

Step-by-step explanation:

Hi there!

[tex]y = x^2 - 4x - 1[/tex]

First, complete the square:

[tex]y = (x^2 - 4x) - 1\\y = (x^2 - 4x+4) - 1-4\\y = (x-2)^2 - 1-4[/tex]

Simplify:

[tex]y = (x-2)^2 - 5[/tex]

I hope this helps!

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