3 years ago

Which of the following correctly completes the square for the equation below? x^2-9x=0

1 answer:

8 0

The answer to this question is choice B. To complete the square, we take the coefficient on the x term, halve it, and then square it. This results in -9/2, and then 81/4. This value of 81/4 is added to both sides, allowing for factorization of the lefthand side of the equation.

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