How many solutions does a quadratic equation have?
A quadratic equation "ax2+bx+c=0" can have 0, 1 or 2 solution.
This depends on the discriminant which is (b2 - 4ac)
If the discriminant is positive, then there are 2 solutions
If it equals 0, there is one solution.
If it is negative, there is no solution.
Related Maths GCSE answers
All answers ▸The line l is a tangent to the circle x^2 + y^2 = 40 at the point A. A is the point (2, 6). The line l crosses the x-axis at the point P. Work out the area of triangle OAP.
