Multiple ChoiceIdentify the real and imaginary parts of each complex number. −4−9i-4-9i−4−9i104views11rank
Multiple ChoiceIdentify the real and imaginary parts of each complex number. 3+2i33+2i\sqrt33+2i3101views7rank
Multiple ChoiceWrite the complex number in standard form. 9+−163\frac{9+\sqrt{-16}}{3}39+−1684views5rank1comments
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)92views3rank
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)81views3rank
Multiple ChoicePerform the indicated operation. Express your answer in standard form. (3+8i)2\left(3+8i\right)^2(3+8i)297views5rank
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)81views7rank
Multiple ChoiceFind the product of the given complex number and its conjugate. 4−5i4-5i4−5i96views4rank
Multiple ChoiceFind the product of the given complex number and its conjugate. −7−i-7-i−7−i84views8rank1comments
Multiple ChoiceFind the quotient. Express your answer in standard form. 6+i4−2i\frac{6+i}{4-2i}4−2i6+i79views3rank
Multiple ChoiceFind the quotient. Express your answer in standard form. −5+3i−7−4i\frac{-5+3i}{-7-4i}−7−4i−5+3i77views5rank1comments
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