Whats the a(y)?giving brainliest

Find an equation of the line perpendicular to the graph.

What is the measure of angle x? answer

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.