Now expand the square and simplify. The standard form of a quadratic equation is 0 a x 2 b x c where a b and c are all real numbers and a 0. H b2a 12 2x2 3.
Vertex Point - its the highest or lowest point on the graph.
Then define or calculate the value of k and plot the point h k which is the vertex of your parabola. Now expand the square and simplify. To draw the graph of a function in a Cartesian coordinate system we need two perpendicular lines xOy where O is the point where x and y intersect called coordinate axes and a unit of measurement. To graph a quadratic equation start by solving for h in vertex form or taking -b divided by 2 times a in standard form.