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2 cards from this section. Quick, good the night before a test.
What is the square root of 49?
Think of what number multiplied by itself gives 49.
Is 25 a perfect square? If so, find its square root.
What number times itself equals 25?
What is the square root of 64?
Think of the integer that gives 64 when squared.
Are all square numbers also perfect squares?
Remember how we defined perfect squares.
Using prime factorization, find the square root of 900.
Factor it down to its primes.
Determine the smallest number needed to turn 450 into a perfect square.
Check the prime factors carefully!
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