Posted by JACK on .
HOW CAN I SOLVE THE INEQUALITY GRAPHICALLY 3X^2 + 10X - 8 > 0
ALGEBRAIC METHOD -
graph the parabola
note the two parts of the graph that are above the x-axis.
The graph crosses the x-axis at -4 and 2/3.
So, the solution set is x< -4 or x > 2/3.