Match the terms to their definition:

1. Vertex form: Equation that can be written as f(x)=a(x−h)²+k, where "a" is not zero.
2. Quadratic function: A function that can be written as f(x)=ax²+bx+c, where "a" is not zero.
3. Quadratic equation: Equation that can be written as ax²+bx+c=0, where the leading coefficient, "a," is greater than or equal to one.
4. Standard form: Equation that can be written as ax²+bx+c, where "a" is not zero.