Finding the Non-Real Roots of a Quadratic Equation by Graphing

Journal of the Mathematics Council of the Alberta Teachers’ Association

Volume 11 Issue 4, August 1972

5 – 8

Finding the Non-Real Roots of a Quadratic Equation by Graphing

Wayne Harvey

NOTE: Most teachers and students of mathematics would agree that the quadratic function is most easily graphed when the equation is written in the form y = a(x-h)^2 + k.