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Sonja [21]
3 years ago
12

Find the constant $c$ that makes the quadratic $x^2 + 7x + c$ the square of a binomial.

Mathematics
1 answer:
Fofino [41]3 years ago
5 0
a=1\\
2ab=7\\
c=b^2\\\\
2b=7\\
b=3.5\\\\
c=(3.5)^2=12.25

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liberstina [14]
We can use a theorem called Proportional segments in right triangles.

1. How far is library from the park?
<span>The perpendicular is the mean proportional between the segments of the hypotenuse, so:
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2. How far is the park from the football field?
<span>Each leg of the given triangle is the mean proportional between the hypotenuse and the adjacent segment, so:
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Answer: A.

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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