Question 944875
Using the vertex form,
{{{y=a(x+2)^2-3}}}
Using the point,
{{{-2=a(-5+2)^2-3}}}
{{{-2=a(-3)^2-3}}}
{{{1=a(9)}}}
{{{highlight(a=1/9)}}}
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{{{graph(300,300,-6,6,-6,6,(x+2)^2/9-3)}}}