QuestionAugust 27, 2025

What number needs to be added to each side to complete the square? x^2+2x-8=0 a. 1 b. 2 c. 8 d. 4

What number needs to be added to each side to complete the square? x^2+2x-8=0 a. 1 b. 2 c. 8 d. 4
What number needs to be added to each side to complete the square?
x^2+2x-8=0
a. 1
b. 2
c. 8
d. 4

Solution
4.2(233 votes)

Answer

a. 1 Explanation 1. Identify the coefficient of x The coefficient of x is 2. 2. Calculate half of the coefficient Half of 2 is 1. 3. Square the result Squaring 1 gives 1^2 = 1.

Explanation

1. Identify the coefficient of $x$<br /> The coefficient of $x$ is 2.<br />2. Calculate half of the coefficient<br /> Half of 2 is 1.<br />3. Square the result<br /> Squaring 1 gives $1^2 = 1$.
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