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What value of c makes the polynomial below a perfect square? x^2 + 14x + c c = A. 49 B. 28 C. 7 D. 196
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What value of c makes the polynomial below a perfect square? x^2 + 14x + c c = A. 49 B. 28 C. 7 D. 196
asked
Jan 11, 2019
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What value of c makes the polynomial below a perfect square?
x^2 + 14x + c
c =
A. 49
B. 28
C. 7
D. 196
Mathematics
high-school
Juacala
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Juacala
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Answer:
A. 49
Explanation:
Ap3x
Alex Ilyaev
answered
Jan 13, 2019
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Alex Ilyaev
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The value for c is A. 49. That comes from the process of completing the square where you take half the linear term, square it, and add it in. Our linear term is 14. Half of 14 is 7, and 7 squared is 49. So A
Sameera Kumarasingha
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Jan 15, 2019
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Sameera Kumarasingha
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