# SOLUTION: the sqrt property tells us that if (2x-9)^2=9 is true then which of the following must also be true? a. 2x=(_is under the +) b. 2x-9=(_is under the +)9 c.2x=(_is under the +)18

Algebra ->  Algebra  -> Quadratic Equations and Parabolas -> SOLUTION: the sqrt property tells us that if (2x-9)^2=9 is true then which of the following must also be true? a. 2x=(_is under the +) b. 2x-9=(_is under the +)9 c.2x=(_is under the +)18       Log On

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 Click here to see ALL problems on Quadratic Equations Question 636048: the sqrt property tells us that if (2x-9)^2=9 is true then which of the following must also be true? a. 2x=(_is under the +) b. 2x-9=(_is under the +)9 c.2x=(_is under the +)18 d.2x-9=(_is under the +)3Answer by jim_thompson5910(28476)   (Show Source): You can put this solution on YOUR website!If $\Large \left(2x-9\right)^2 = 9$, then take the square root of both sides to get $\Large {\color{red}2x-9=\pm3}$ Note: we include the plus minus since and