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can negative numbers have square roots
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no
ive seen it before...
such as \[\sqrt{-3}\] is an imaginary number not a real number since it's square root do not exist
got it thehumangod
no all numbers squared cancel out the negative. It's illegal....
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so sq. rt of (x- 5) = 3 only answer is 14 right
yuppp!(:
right
yes
\[\sqrt{14-5}=\sqrt{9}=3\]
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got itttttttttttt
sq. rt of ( 2x - 1) = x. would this also only have one answer?
yes the answer is 1
ok thanks i got it
The square root of -1 is defined as \[\sqrt{-1}=i\] then we would, for example, write \[\sqrt{-9}=\sqrt{9}\cdot \sqrt{-1}= 3i\]
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A famous equation using the square root of -1: \[e^{i \pi}+1=0\]
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