19.notebook 1 October 15, 2012 19. Nonlinear Systems, Factoring Exponentials, Sum and Difference of Cubes 1. Solve: x 2 +y 2 =9 yx=1
19.notebook
1
October 15, 2012
19. Nonlinear Systems, Factoring Exponentials, Sum and Difference of Cubes
1. Solve: x2 + y2 = 9 y x = 1