Question 1039266
{{{y=a(x-(-1))^2+7}}}


{{{y=a(x+1)^2+7}}}


{{{y-7=a(x+1)^2}}}


{{{a=(y-7)/(x+1)^2}}}


{{{a=(-4-7)/(-2+1)^2}}}


{{{a=-11/1}}}


{{{a=-11}}}


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{{{highlight(y=-11(x+1)^2+7)}}}