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I had a question about #37 in the QRT section of the DAT Destroyer:
The question wants you to solve for x:
sq. root of x+5= x-1
It says the answer is only 4 but technically when you take the sq. root of a number isn't it plus or minus that number? So shouldn't -1 be a solution too?
The question wants you to solve for x:
sq. root of x+5= x-1
It says the answer is only 4 but technically when you take the sq. root of a number isn't it plus or minus that number? So shouldn't -1 be a solution too?