2 years ago

Is it A B C or D Please tell me how you got it and double check before you submit. Thanks

2 answers:

kramer2 years ago

7 0

The answer is C I promise you

Crank2 years ago

4 0

The answer is c. 45 degrees F because you write the equation as 32(1)/4+37 and to add fractions, find the LCD and then combine, giving you 45.

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Studentka2010 [4]

Answer:

D) $(-2,-9)$

Step-by-step explanation:

<u>Vertex Form of a Vertical Parabola:</u>

$y=a(x-h)^2+k$

Vertex -> $(h,k)$

Axis of Symmetry -> $x=h$

Vertical Scale Factor -> $a$

To turn $f(x)=x^2+4x-5$ into vertex form, we need to complete the square on the right side
Therefore, if $f(x)=0$ , then $0+9=x^2+4x-5+9$ completes the square on the right side
This becomes $9=(x+2)^2$
This means that our function in vertex form is $f(x)=(x+2)^2-9$