Multiple ChoiceIdentify the real and imaginary parts of each complex number. −4−9i-4-9i−4−9i755views4rank
Multiple ChoiceWrite the complex number in standard form. 9+−163\frac{9+\sqrt{-16}}{3}39+−16662views12rank1comments
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)607views5rank
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)539views
Multiple ChoicePerform the indicated operation. Express your answer in standard form. (3+8i)2\left(3+8i\right)^2(3+8i)2581views2rank