What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?

A linear equation is: an equation between two variables that gives a straight line when plotted on a graph.

I hope it helps at all

hope this .

r3t40

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints