Glencoe Math: Course 3, Volume 1
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Glencoe Math: Course 3, Volume 1 View details
8. Roots
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Exercise 25 Page 77

Think of a number that when raised to the second power results in 64225.

- 8/15

Practice makes perfect

We want to find the negative square root of 64225. - sqrt(64/225)We need to think of a number that when raised to the second power results in 64225. By using the Power of a Quotient Law, we can see that this number is 815.

(8/15)^2
8^2/15^2
64/225 ✓

With this information, we can say that the negative square root of 64225 is - 815. - sqrt(64/225) = - 8/15