Sophia Learning
Sophia: Solving an Equation Using the Quadratic Formula #5
Using the quadratic formula with terms that include trigonometric expressions is shown here.
Sophia Learning
Sophia: Quadratic Formula and Complex Numbers
Explains how complex numbers are related to the quadratic formula, in particular talks about the determinant of the quadratic formula being a negative.
Sophia Learning
Sophia: Quadratic Formula and Complex Numbers
Explains how complex numbers are related to the quadratic formula, in particular talks about the determinant of the quadratic formula being a negative.