- Definition of the Square Root
Recall how we defined exponents, especially with exponent 2. Some
= 3 x 3 = 9 102
= 10 x 10 = 100
52 = 5 x 5 = 25
Also recall that the inverse of addition is subtraction and the inverse of
multiplication is division. We define the the square root as the the
inverse of the exponential.
The square root of a given number answers the
question, "What number squared equals the given number?"
We call the number under the square root sign the radicand.
Determine the following
to the Arithmetic of Whole Numbers page
to the Math 187A page
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