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Unformatted text preview: e) Find all the square roots of 0 f) Find all the 4 th roots of 81 *A radical sign is used to indicate a root. The number under the radical sign is called _______________. *The _________gives the degree of the root. *When a number has two real roots, the positive root is called the _______________ and the radical sign indicates the principal root. So that means the principal 4 th root of 16 is written as __________. The other 4 th root of 16 is written as ___________. III. Find each realnumber root a) 3 8 b) 100c) 3 27d) 4 81Give an x value for which the following is true x x = 2 . True for x = ____ Give an x value for which the following is false x x = 2 . False for x = ____ IV. n th root of n a , when a is negative a a n n = when n is even. Simplify each a) 5 5 x b) 6 6 ) 2 (c) 49 d) 6 4 x e) 3 6 3 b a f) 4 8 4 y x g) 4 2 4 y x h) 3 6 27 zi) 4 12 8 16 y x j) 10 9 x k) 3 3 3 b a l) 4 10 16 y x...
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 Fall '09
 Johnson
 Algebra, Nth root, Real nth Roots

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