Brooke solved the equation below:
6r = 72
6r − 6 = 72 − 6
r = 66
is bro...
Mathematics, 24.09.2019 16:30, dayday0
Brooke solved the equation below:
6r = 72
6r − 6 = 72 − 6
r = 66
is brooke’s solution correct? if the solution is incorrect, explain why it is incorrect and show the correct steps to solve the equation.
Answers: 2
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The first few steps in solving the quadratic equation 9x2 + 49x = 22 ? 5x by completing the square are shown. 9x2 + 49x = 22 ? 5x 9x2 + 54x = 22 9(x2 + 6x) = 22 which is the best step to do next to solve the equation by completing the square? 9(x2 + 6x + 3) = 25 9(x2 + 6x + 3) = 49 9(x2 + 6x + 9) = 31 9(x2 + 6x + 9) = 103
Answers: 3
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Answers: 2
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