The discriminant is \({b^2} - 4ac\), which comes from the quadratic formula and we can use this to find the nature of the roots. Roots can occur in a parabola in 3 different ways as shown in the ...

Save guides, add subjects and pick up where you left off with your BBC account. Roots can occur in a parabola in 3 different ways as shown in the diagram below: In diagram A, we can see that this ...