3 years ago

Which value must be added to the expression x^2 +16x to make it perfect-square trinomial?

Mathematics

2 answers:

Troyanec [42]3 years ago

6 0

Answer:

Its C on edg

Step-by-step explanation:

follow my ifunny "dankmemehistory"

Semmy [17]3 years ago

5 0

X^2 + 16x + ?
a^2 + 2ab + b
(a + b)^2 which is a perfect square.

To find b to determine the last value, you divide 16x by 2x.
so:
b = 8
the last value would be 8^2 which is 64.

Hence answer is C - 64

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