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What value of n makes the expression, x^2+7x+n a perfect square trinomial? A. 7 B. 49/4 C. 49 D. 49/2

What value of n makes the expression, x^2+7x+n a perfect square trinomial? A. 7 B. 49/4 C. 49 D. 49/2
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2 votes
What value of n makes the expression, x^2+7x+n a perfect square trinomial?

A. 7
B. 49/4
C. 49
D. 49/2

User Clweeks
by
8.5k points

1 Answer

7 votes
b. 49over 4

take 1/2 of b(7) and square it that's what you add
User Vsevolod Timchenko
by
8.0k points
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