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Earn +20 ptsQ: Why is -16 considered an imaginary number?
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Is the square root of -16 a real number?
No it is not. The answer is imaginary. The answer is 4i
What kind of number is the square root of -16?
Square root of -1 is an imaginary number (√-1 = i), √-16 = √-1 * √16 √-16 = i * 4 √-16 = 4 i
Is the square root of negative 16 a transcendental number?
No it is an Imaginary Number√-16 = 4ii is the square root of negative one
Can a number be imaginary but not pure imaginary?
Yes. The number 1 + i is imaginary but not pure imaginary, while 5i is pure imaginary.
Is the difference of a complex number and its conjugate a real imaginary or pure imaginary number?
It is a pure imaginary number.Since (a+bi)-(a-bi) = 2bi, it is a pure imaginary number (it has no real component).
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