Michelle
Date: Tuesday (for Monday) 17 July 2018
Title: Positive Negative square roots
1. What is positive square root of 81? +√9, 9 x 9 = 81
2. What is negative square root of -100? -√10, 10 x 10 = 100
3. What is negative square root of -144? -√12, 12 x 12 = 144
4. What is negative square root of 169? -√13, 13 x 13 = 169
5. What is positive and negative square root of 81? -+√9, 9 x 9 = 81
6. What is positive square root of 225? +√15, 15 x 15 = 225
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