Please answer this correctly

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Aline passes through 3,7 and 6,9 what equation represents the line

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.