Question

Use your calculator to compute the actual roots.

Use the Quadratic Formula to solve x2 – 4x – 8 = 0.

Answer 1

x^2 - 4 x - 8 = 0

x = [ 4 +/- sqrt (16+32) ]/2

x = [ 4 +/- 4 sqrt 3 ] /2

x = 2 [1+/- sqrt 3 ]