Either from positive to negative or negative to positive. A quadratic inequality is an equation of second degree that uses an inequality sign instead of an equal sign. Ac is 6 6 36 and b is 5.
One absolute rule is that the first constant a cannot be a zero.
X 02 or x 1. Quadratics are polynomials whose highest power term has a degree of 2. Use the quadratic formula to find the solutions. X2 3x 2 0.