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WITCHER [35]
3 years ago
12

What value of c makes the polynomial below a perfect square?

Mathematics
2 answers:
schepotkina [342]3 years ago
7 0
81/4
Because I found the answer by using a Calculator I found online
malfutka [58]3 years ago
6 0

Answer:

B

Step-by-step explanation:

x² + 9x

to complete the square

add ( half the coefficient of the x- term )² to x² + 9x

= x² + 2(\frac{9}{2} )x + (\frac{9}{2} )²

= x² + 9x + \frac{81}{4} ← the value of c

= (x + \frac{9}{2} )² ← a perfect square

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Answer:

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Explanation:

We have been given the expression 6f+9g = 3g+f

Solve for f means find the value of f

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4 years ago
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patriot [66]

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