asked 43.8k views
4 votes
What number should be added to the expression x^2+12x to change it into a perfect square trinomial?

6
12
18
36

asked
User Glace
by
8.3k points

2 Answers

1 vote

Answer:

D

Explanation:

The answer is D I took the test on K12

answered
User Sue
by
7.8k points
0 votes
x^2 + 12x + 36 = (x+6)^2

So D is the answer
answered
User ETL
by
8.0k points

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