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In the quadratic equation x2 - 8x + a = 0; what is the value, a, in order to form a perfect square? A) 8 B) 16 C) 32 D) 64

In the quadratic equation x2 - 8x + a = 0; what is the value, a, in order to form a perfect square? A) 8 B) 16 C) 32 D) 64
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4 votes
In the quadratic equation x2 - 8x + a = 0; what is the value, a, in order to form a perfect square?

A) 8
B) 16
C) 32
D) 64

asked
User Zifei Tong
by
7.4k points

2 Answers

5 votes

Answer:

That's wrong the answer was B) 16

Explanation:


answered
User Ntcolonel
by
9.2k points
4 votes
The answer is D.

x² - 8x + 64 = 0
(x - 8)² = 0
x - 8 = 0
+ 8 + 8
x = 8
answered
User Tim Davies
by
7.9k points
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