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6-4: n th Roots I can simplify radicals and approximate them using a calculator.

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Presentation on theme: "6-4: n th Roots I can simplify radicals and approximate them using a calculator."— Presentation transcript:

1 6-4: n th Roots I can simplify radicals and approximate them using a calculator

2 A “radical” or “square root sign” means the power is a fraction

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11 Absolute Value

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16 Ex:

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25 HW: 12-55 all

26 Answer Key: Evens 12. ±11x 2 y 8 14. ±7x 2 16. -9a 8 b 10 c 6 18. (x + 15) 2 20. (a 2 + 4a) 6 22. d 4 x 6 24. -|(2x + 1) 3 | 26. –(y – 9) 3 28. |a 3 | 30. 3|(x + 4)| 32. (y 3 + 5)6 34. x 2 |y| 36. 3 48. ±8iy 4 z 3 50. ±2x 4 y 2 52. 2cd 4 54. –(y – z) 3

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