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Earn +20 ptsQ: What is 9 square root 2 times 2?
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What is the square root of 4 times the sq-rt of 81 8?
The square root of 4 * the square root of 81 four possible combinations:-2 * -9-2 * 92 * -92 * 9and two possible answers-2 * 9 and 2 * -9 = -18-2* -9 and 2 * 9 = 18
Why does each square root have 2 solutions?
The answer to square root of 9 for example, is 3 and -3... When you multiply 3 times -3 it comes out to be 9
Is the square root of 18 9?
No. The square of 9 is 9*9 = 81 so the square root (not route!?!) of 81 is 9. The square root of 18 is 4.24 (to 2 dp).
Which of these numbers is classified as a rational number square root 17 square root 23 square root 9 square root 2?
square root of 9 = 3 but 2, 17 and 23 are irrational numbers
3 square root of 2 times 3 square root of 2?
That would be 3 x 3 x sqrt2 x sqrt2 = 9 x 2 The answer is 18.
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