Ask Question
28 December, 02:19

Which of the following numbers must be added to complete the square in the equation below?

x²+18x = - 27

A. 18 B. 9 C. 54 D. 81

+2
Answers (1)
  1. 28 December, 02:53
    0
    First, take half of the coefficient of 18x then square it.

    18 / 2 = 9

    9^2 = 81

    So, D. 81 is the answer.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Which of the following numbers must be added to complete the square in the equation below? x²+18x = - 27 A. 18 B. 9 C. 54 D. 81 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers