What is the constant proportionality in the equation y = 6x?

Which shows the pre image of triangle xyz

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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.