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PrinceBaphomet
17.10.2019 •
Mathematics
Which equation is y = (x + 3)2 + (x + 4)2 rewritten in vertex form?
y = 2(x + 7)2 – 73
y = (x + 7)2 – 24
y=2(x+(7/2))^2-(1/4)
y=2(x+(7/2))^2+(1/2)
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Ответ:
y=2x²+14x+25
the vertex form of y=ax²+bx+c is y=a(x-h)²+k
where h= -b/2a
and k= c-b²/4a
so the vertex form is y=2(x-(-14/4))²+ 25-196/8=2(x+14/4)²+4/8=2(x+7/2)²+1/2
the answer is y=2(x+(7/2))^2+(1/2)
Ответ:
The correct option is 4.
Step-by-step explanation:
The given equation is
Simplify the above equation.
Add and subtract the value of
in the above parenthesis.
Therefore correct option is 4.
Ответ:
C
Explanation: