Solve the following system of equations below using any method. Remember to check your solution!
x – 4y = -7
-5x + 7y = 9

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.