Asked by jasmine20
the problem reads:
evaluate sqrt (-4) if possible.
my answer:
sqrt (-4)<0
therefore this is not a real number
looks correct
you cannot take the square root of a negative number in the real number set.
Have you learned the imaginary number i = sqrt(-1) ??
if so you can do:
sqrt(-4) = sqrt(4) x sqrt(-1)
= 2i
if you have not studied i, then you would say: "there is no real solution to sqrt(-4)"
evaluate sqrt (-4) if possible.
my answer:
sqrt (-4)<0
therefore this is not a real number
looks correct
you cannot take the square root of a negative number in the real number set.
Have you learned the imaginary number i = sqrt(-1) ??
if so you can do:
sqrt(-4) = sqrt(4) x sqrt(-1)
= 2i
if you have not studied i, then you would say: "there is no real solution to sqrt(-4)"
Answers
Answered by
jake
1/2(y-10)+y distributive propertys
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