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What number must be added to the expression below to complete the square? x2 + 5x A. 5 B. 25/4 C. 25 D. 5/2
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5 votes
What number must be added to the expression below to complete the square?

x2 + 5x

A. 5
B. 25/4
C. 25
D. 5/2

User Billkamm
by
7.3k points

1 Answer

1 vote
To complete the square take the 'b' term and divide it by 2, then square it.
(5/2)^2 = 25/4
Letter B
User Aryan Bahmani
by
6.9k points
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