We know that the point 56 is on the graph which means that if we substitute x 5 into the graphs equation we will get a y-value of 6. A quadratic equation is an equation that could be written as ax 2 bx c 0 when a 0. Y x - 22 -3.
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Just as a quadratic equation can map a parabola the parabolas points can help write a corresponding quadratic equation. A quadratic equation can be solved by using the quadratic formula. We know that the point 56 is on the graph which means that if we substitute x 5 into the graphs equation we will get a y-value of 6. Y x - 22 -3.