so the graph will cross the \(y\)-axis at (0, -3) Writing \(y = x^2 – 2x – 3\) in completed square form gives \(y = (x – 1)^2 – 4\), so the coordinates of the turning point are (1 ...

The graph of the quadratic function \(y = ax^2 + bx + c\) is a smooth curve with one turning point. The turning point lies on the line of symmetry. Graph of y = ax 2 + bx + c If the graph of the ...