Practice Test 4

What are the solutions to $x^2 + 2x + 10 = 0$? Write as complex numbers in $a + bi$ form (use $i^2 = -1$).

Complete the square to solve $x^2 - 4x + 5 = 0$ for complex solutions. Write answers in $a \pm bi$ form, using $i^2 = -1$.