Well if u go and look u can see it u just got to add or plus and look at the cow
Answer:
90
Step-by-step explanation:
A quadratic function is one of the form f(x) = ax2 + bx + c, where a, b, and c are numbers with a not equal to zero. The graph of a quadratic function is a curve called a parabola. ... A parabola intersects its axis of symmetry at a point called the vertex of the parabola. You know that two points determine a line.
Zero on number lines is neither negative nor positive, it is used as a sort of divider number;)
Step-by-step explanation: this picture should help explain a little