Is this a linear equation
4xy + 2y = 9

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Reflect the point (7,0) across the y-axis

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.