Example 523 Complete the square to place f(x) = x2 6x 2 in vertex form and sketch its graph Solution First, take half of the coefficient of x and square;The answers to homeworkhelpersphcomThe vertex form is a special form of a quadratic function From the vertex form, it is easily visible where the maximum or minimum point (the vertex) of the parabola is The number in brackets gives (trouble spot up to the sign!) the xcoordinate of the vertex, the number at the end of the form gives the ycoordinate This means If the vertex form is , then the vertex is at (hk) How to
Parabolas Part 2 I Vertex Form Of A
