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Discussion
We've previously learned that the solutions to a quadratic equation, ax2+bx+c=0 can always be found using the quadratic formula:
But what if a parabola doesn't intersect the x-axis at all? What if it intersects only once? Examine the following parabola:
How many real solutions do you see?
Discussion
We've previously learned that the solutions to a quadratic equation, ax2+bx+c=0 can always be found using the quadratic formula:
But what if a parabola doesn't intersect the x-axis at all? What if it intersects only once? Examine the following parabola:
How many real solutions do you see?