We could for example write equations such as y = a + bx + cx 2 + dx 3 Notice that the graph of the quadratic function is a parabola. This means it is a curve with a single bump. The graph is symmetric ...

If a quadratic ... on the \(y\)-axis has the value of 0 and substituting \(x = 0\) into the equation \(y = ax^2 + bx + c\) gives \(y = c\). a) The constant term is -2, so the y-intercept is ...