Multiple ChoiceIdentify the real and imaginary parts of each complex number. −4−9i-4-9i−4−9i124views
Multiple ChoiceIdentify the real and imaginary parts of each complex number. 3+2i33+2i\sqrt33+2i3100views
Multiple ChoiceWrite the complex number in standard form. 9+−163\frac{9+\sqrt{-16}}{3}39+−16114views
Multiple ChoiceFind the difference. Express your answer in standard form. (2+8i)−(4−i)\left(2+8i\right)-\left(4-i\right)(2+8i)−(4−i)97views
Multiple ChoiceFind the sum. Express your answer in standard form. 5(4+7i)+6(3−2i)5\left(4+7i\right)+6\left(3-2i\right)5(4+7i)+6(3−2i)107views
Multiple ChoicePerform the indicated operation. Express your answer in standard form. (3+8i)2\left(3+8i\right)^2(3+8i)2118views
Multiple ChoiceFind the product. Express your answer in standard form. 2i(9−4i)(6+5i)2i\left(9-4i\right)\left(6+5i\right)2i(9−4i)(6+5i)100views
Multiple ChoiceFind the product of the given complex number and its conjugate. −7−i-7-i−7−i102views
Multiple ChoiceFind the quotient. Express your answer in standard form. 6+i4−2i\frac{6+i}{4-2i}4−2i6+i103views
Multiple ChoiceFind the quotient. Express your answer in standard form. −5+3i−7−4i\frac{-5+3i}{-7-4i}−7−4i−5+3i109views1rank
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