-2 1/4 divide by {-3 1/3}

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

How do you determine whether a relationship represented as as graph is linear or nonlinear

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x