Hafaliadau Cydamserol (cromlin a llinell syth)

Use the slider to change the values of m1, c1, a, b and c to form a linear equation and a quadratic equation.[br][br]Solve these 2 equations by Substitution Method.[br][br]Observe the coordinates of the intersection points.
Is it true that the solutions of the 2 equations are always the x and y coordinates of the intersection points?

Information: Hafaliadau Cydamserol (cromlin a llinell syth)