A quadratic function is a polynomial equation of degree two which typically takes the form of y = ax^2 + bx + c, where a, b, and c are constants. The vertex of a quadratic function is the point that ...

A vertex cover of a graph 𝐺 is a set, 𝑉𝑐, of vertices in 𝐺 such that every edge of 𝐺 has at least one of vertex in 𝑉𝑐 as an endpoint. This means that every vertex in the graph is touching at ...