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 49 Page 78

Think of a number that when raised to the second power results in 121.

55

Practice makes perfect

To calculate the value of expression 5 * sqrt(121), we will start by calculating the positive square root of 121. sqrt(121)We need to think of a number that when raised to the second power results in 121. This number is 11.

11^2
121 ✓

We can say that the positive square root of 121 is 11. With this information, we can calculate 5 * sqrt(121).

5 * sqrt(121)
5 * 11
55