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Lilit [14]
3 years ago
11

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3?

Mathematics
2 answers:
dsp733 years ago
7 0

Answer:

f(x) = (x+3)2+3

Step-by-step explanation:

8_murik_8 [283]3 years ago
4 0
Complete the square
move the 3 aside and work in parenthasees
f(x)=(x^2+6x)+3
take 1/2 of 6 and square it (6/2=3, 3^2=9)
add 9 and -9 inside
f(x)=(x^2+6x+9-9)+3
factor perfect square
f(x)=((x+3)^2-9)+3
get rid of parenthases
f(x)=(x+3)^2-9+3
f(x)=(x+3)^2-6

2nd choice
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TWO EASY QUESTIONS 8TH GRADE MATH
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3 years ago
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Temka [501]
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2 years ago
An aquarium with a square base has no top. There is a metal frame. Glass costs 8 dollars/m^2 and the frame costs 7 dollars/m. Th
Irina-Kira [14]
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Area of Base = Volume / height = 20/h

Given that the aquarium has a square base.

Area of square = l^2

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Area of the four side faces of the aquarium is 4 times the length of the base times the height = 4\times\sqrt{ \frac{20}{h} }\times h=\sqrt{16\left(\frac{20}{h}\right)h^2}=\sqrt{320h}

Total area to be covered by grass is the base and the four side faces and is given by \frac{20}{h}+\sqrt{320h}

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C=\sqrt{\frac{62,720}{h}}+28h+\frac{160}{h}+\sqrt{20,480h
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3 years ago
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Answer:

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