Because i minus (-5) will come out to neg -4. a positive plus an neg equals an neg
Answer:
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.
Step-by-step explanation:
Answer:
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Step-by-step explanation:
0=5x-x to the 2nd power
x to the first power=0, x to the second power=5