Which value must be added to the expression x^2 +16x to make it perfect-square trinomial?
2 answers:
Answer:
Its C on edg
Step-by-step explanation:
follow my ifunny "dankmemehistory"
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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