Antwoorden

$y=2(x-4)^{2}+4$ $y=-(x+3)^{2}-11$ $y=-\frac{2}{3}(x+1\frac{1}{2})^{2}+2\frac{3}{4}$ $y=x^{2}+3$ $y=(x+7)^{2}$

$\left( {4,4} \right)$ $\left( {-3,-11} \right)$ $\left( {-1\frac{1}{2},2\frac{3}{4}} \right)$ $\left( {0,3} \right)$ $\left( {-7,0} \right)$