Solve the system of the linear equation by adding or subtracting.

7x - y = 9
7x + 2y = 24

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

How can you construct perpendicular lines and prove theorems about perpendicular lines

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.