The
choir director set up chairs for the concert with an equal number of rows and columns.
The number of chairs in each row and column is represented by the algebraic expression y, where y is the total number of chairs. What is the number of chairs in each row and column if y = 81 chairs?

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Answers

2016-04-09T20:24:26+08:00

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Lets symbolize the rows and columns with a
so a×a=y or a²=y
while y=81
a=√y
a=√81
a=9
There are 9 chairs in each row and column
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