Find the least squares solution of the system Ax = b. 1 2 A = 2 1 b 1 1 3 x = Find the least squares regression line for the data points. (Let x be the independent variable and y be the dependent variable.) (-1, 2), (1, 0), (3, -3) Find the least squares regression line for the data points. (-2, -5), (-1, -2), (1, 3), (2, 2) y = Graph the points and the line on the same set of axes. 10 Clear Delete 6 5 Fill 4 -3 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 1 -1 4 5 6 7 9 10 -2 No Solution -3- -4 -5 -7 -8 -9 -10 Help WebAssign. Graphing Tool 3.