Multiple ChoiceFind the product of the given complex number and its conjugate. −7−i-7-i−7−i408views16rank1comments
Multiple ChoiceFind the quotient. Express your answer in standard form. 6+i4−2i\(\frac{6+i}{4-2i}\)4−2i6+i371views9rank
Multiple ChoiceFind the quotient. Express your answer in standard form. −5+3i−7−4i\(\frac{-5+3i}{-7-4i}\)−7−4i−5+3i359views12rank1comments
Multiple ChoiceIdentify the real and imaginary parts of each complex number. −4−9i-4-9i−4−9i613views17rank
Multiple ChoiceWrite the complex number in standard form. 9+−163\(\frac{9+\sqrt{-16}\)}{3}39+−16589views16rank1comments
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)415views15rank
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)398views9rank
Multiple ChoicePerform the indicated operation. Express your answer in standard form. (3+8i)2\(\left\)(3+8i\(\right\))^2(3+8i)2489views11rank