Question

Complete the square to solve the following quadratic equation: x2+2x−8=0 .(1 point) x equals 4 x=−10, x=8 x equals negative 10 , x equals 8 x=10, x=−8 x equals 10 , x equals negative 8 x=2, x=−4

Answer 1

Using the quadratic formula, find the solution to x2−6x−16=0 .(1 point) Responses x=−2 x equals negative 2 x=8, x=−8 x equals 8 , x equals negative 8 x=8 x equals 8 x=8, x=−2

Answer 2

Which of the following is a solution to the quadratic equation 2x2−5x=6 ? Assume that the solution has been rounded to the nearest hundredth, if applicable.(1 point) Responses x=−1.03 x equals negative 1.03 x=1.03 x equals 1.03 x=0.89 x equals 0.89 x=−0.89

Answer 3

How many real solutions does the following quadratic equation have? 4x2+x+3=0 (1 point) Responses two real solutions two real solutions one real solution one real solution three real solutions three real solutions no real solutions