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A quadratic equation has the form:
x^2 - (sum of the roots)x + product of the roots = 0 or,
x^2 - (r1 + r2)x + (r1)(r2) = 0
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How do you formulate quadratic equation that can be solve by extracting square roots?
By using the quadratic equation formula
Why do mathmaticians use the quadratic formula?
To find the roots (solutions) of a quadratic equation.
What happens in the quadratic formula that yields no real solutions?
If the discriminant of b2-4ac in the quadratic equation formula is less than zero then the equation will have no real roots.
What are quadratic equations with real roots?
If the discriminant of the quadratic equation is zero then it will have 2 equal roots. If the discriminant of the quadratic equation is greater than zero then it will have 2 different roots. If the discriminant of the quadratic equation is less than zero then it will have no roots.
How do you solve 12x squared plus 9x plus 15 equals 0 with quadratic formula?
It can't be solved because the discriminant of the given quadratic equation is less than zero meaning it has no real roots.
