Question 377582
Choose an x, calculate a y using the equation.
{{{x=0}}}, {{{y=(1/2)(0)^2+0-3=-3}}}
{{{x=1}}}, {{{y=(1/2)(1)^2+1-3=-3/2}}}
{{{x=2}}}, {{{y=(1/2)(2)^2+2-3=1}}}
Continue until you have enough points.
The more points the smoother your curve.
.
.
.
{{{drawing(300,300,-5,5,-5,5,grid(1),graph(300,300,-5,5,-5,5,0,(1/2)x^2+x-3))}}}