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Simplifying Negative Radicals

1,028 views · Published 24 August 2014 · 4:49 · Indexed 29 October 2026

Channel: MooMooMath and Science · 2014 · Education

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Directions for solving radicals that have a negative value. This involves simplifying the negative radical. Sounds difficult, but after working a few problems you will find they aren't that hard. Some of the problems involve imaginary numbers of i and follow the rules of i

Video Guide
0:24 5i times the square root of -64 You will solve this problem by simplifying the square root of 64. Next you convert the square root of -1 into "i" move the coefficient down and multiply.
 4:48 Simplify square root of -81 + 3i -2 Again you simplify the square root, bring down the coefficient, and add like terms. Remember these problems should be written in the a + bi form.
2:43 This next problem involves a fractional square root with a negative number.
3:00 This is another problem containing a fraction and a negative number.
4:04 The last problem simplifies the negative square root of 9 times the negative square root of 36

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