what is the sq root of -7 simplified?

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2007-06-03 17:49:42 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

you can't have a negative number under s square root, it's undifine. However, you can use complex number

sqrt(-7) = sqrt(7)i

2007-06-03 17:53:07 · answer #1 · answered by 7 · 0⤊ 0⤋

2007-06-04 00:56:08 · answer #2 · answered by Savannah 2 · 0⤊ 0⤋

YOU CANNOT GET THE SQUARE ROOT OF A NEGATIVE NUMBER, BUT YOU CAN SIMPLIFY THE EXPRESSION TO:

x = â7î

2007-06-04 01:17:22 · answer #3 · answered by Rey Arson II 3 · 0⤊ 0⤋

â(-7) = â(7 iÂ²) = â7 i

2007-06-04 08:11:15 · answer #4 · answered by Como 7 · 0⤊ 0⤋

sqrt(7)*i ~ 2.65i

2007-06-04 01:13:01 · answer #5 · answered by Amy W 6 · 0⤊ 0⤋