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Sqrt(-4) is an irrational number therefore we must use i. i=sqrt(-1) allows us to pull i out of sqrt(-4):
sqrt(4)*i leaves us with 2i
The square root of -4 is NOT an irrational number but an imaginary number.
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How do you evaluate square roots?
Divide the square root by itself
How do you evaluate the square root of 2500?
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Evaluate 15-4 square root 36?
15 - sqrt(36) = 15 - 6 = 9
What is 4 square root?
the square root of 4 is 2 square root 2
What is -8 with a square root of 4 and -1 with a square root of 8?
(possible restatement of question): Evaluate: -8 +sqrt(4) + -1 + sqrt(8)? -8+2-1+2*sqrt(2) = -7 + sqrt(2)
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Evaluate 15-4 square root 36?
15 - sqrt(36) = 15 - 6 = 9
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the square root of 4 is 2 square root 2
What is -8 with a square root of 4 and -1 with a square root of 8?
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