plz help A point is plotted on the number line at 2 3/4. A second point of plotted at -4 1/3 what is the length of s line seventeenth joining these points​

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.