Enter the sentence as an equation or inequality. use x to represent unknown number. the sum of 8 and a number is 19. the sentence translates to

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.