G Gerry New member Apr 17, 2011 #2 This is a parabola with vertex (0,1) Because it opens up it is of the form (y - 1) = ax^2 Since (-1,0) and (1,0) are on this parabola (y - 1) = x^2 0 ? (1 - (x^2) dx = x - (x^3/3) = 0 - 0 -(-1) -(-(-1/3)) = 1 - (1/3) = (2/3) <---- Answer .
This is a parabola with vertex (0,1) Because it opens up it is of the form (y - 1) = ax^2 Since (-1,0) and (1,0) are on this parabola (y - 1) = x^2 0 ? (1 - (x^2) dx = x - (x^3/3) = 0 - 0 -(-1) -(-(-1/3)) = 1 - (1/3) = (2/3) <---- Answer .
