Hazzar
Write each function in vertex form, and identify its vertex.
Plz show steps!
f(x)=x^2+24x+138



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anilorap
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for the vertex we need a pair (x,y)
to find x we have a formula
x=b+2a

anilorap
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lets identify a and b
a is the coefficient of x^2 thats is 1 and be is the coefficient of x that is 24

anilorap
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x=24/2(1)
x=24/2
x=12

anilorap
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then to find y we plug 12 in the equation
(12)^2+24(12)+138

anilorap
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can u guess the answer?

Hazzar
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Yeah. Y would be 6

anilorap
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good

anilorap
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so your vertex will be
(12,6)

Hazzar
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Oh, great thanks!