Question

Which of the following is a solution of x2 − 2x = −8? (6 points) Select one: a. negative 1 minus i square root of 28 b. 1 plus i square root of 28 c. negative 1 minus i square root of 7 d. 1 plus i square root of 7

Answer 1

x = 2 +- √4 -32 )/2 = 1 +-i√7

Answer is d. 1 plus i square root of 7

Hope it helps!