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 26 Page 77

Think of a number that when raised to the second power results in 1625.

- 4/5

Practice makes perfect

We want to find the negative square root of 1625. - sqrt(16/25)We need to think of a number that when raised to the second power results in 1625. By using the Power of a Quotient Law, we can see that this number is 45.

(4/5)^2
4^2/5^2
16/25 ✓

With this information, we can say that the negative square root of 1625 is - 45. - sqrt(16/25) = - 4/5