Square Roots and Irrational Numbers
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What is the square root of 64?
8
What is a cubed root?
A number that must be multiplied times itself three times to equal a given number.
What is a square root?
A number that produces a specified quantity when multiplied by itself.
What makes π an irrational number?
You cannot write down a simple fraction that equals this number. The popular approximation of 22/7 = 3.1428571428571... is close but not accurate. Another clue is that the decimal goes on forever without repeating.
What is an imaginary number?
a number that is expressed in terms of the square root of a negative number (usually the square root of −1, represented by i or j ).
What is the square root of 121
11
What is the approximate square root of 38?
6.16 or 6.17