Find the length of side bc give your answer to 1 decimal plae

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position