10.1 Notes - The Square Root Property

10.1 Notes - The Square Root Property - Section11.1 11....

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Section 11.1 11.1 The Square Root Property Remember : Every positive number has 2 square roots – a positive one and a negative one. Squaring and taking the square root are opposite operations and “undo” each other. Example 1 : 2 2 64 64 8 x x x     Remember : Radials need to be simplified! Example 2: 2 2 18 18 9 2 3 2 x x x x       Example 3: 2 2 ( 4) 9 ( 4) 9 4 3 4 3| 4 3 7 | 1 x x x x x x x           64 has both a positive and a negative square root The square root of x 2 is x. You need to solve for both the positive and the negative square root.
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