Question 262618: i need to find the value of the variable that makes each expresion a real number for the following equation
(2y-7)1/2 what is the real expresion for y
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! i need to find the value of the variable that makes each expresion a real number for the following equation
(2y-7)^(1/2) what is the real expresion for y
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2y-7 must be a perfect square such as 1,4,8,16, or other perfect square:
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Exampls 2y-7 = 16
2y = 23
y = 23/2
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Cheers,
Stan H.
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