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What value of c makes the polynomial below a perfect square? X^2+14x+c
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5 votes
What value of c makes the polynomial below a perfect square? X^2+14x+c

User Josh Powell
by
8.3k points

2 Answers

4 votes
x² + 14x + c

Remember:

(x+c)² = x² + 2xc + c²

14x = 2xc

14 = 2c

c = 7

Therefore:

(x+7)² = x² + 14x + 49
User Kaelen
by
8.0k points
2 votes

Answer: the answer is 49 (apex)

Explanation:

User Lou Morda
by
8.0k points
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