The _______ of a quadratic equation can be used to find the number of solutions it has. ??

A. vertex
B. Axis of Symmetry
C. Discriminant
D. Leading Coefficent

2 answers

Odd q
Odd question. a quadratic always has two solutions, real, or complex.
The vertex can tell you if the solutions are real (sometimes a double solution, if the vertex is on the coordinate), or complex numbers.