Solving Linear Systems in Three Variables

Question 1

How do you solve a Linear System with Three Variables?

Answer 1

You simplify or eliminate or substitute like before until it’s solved.

Question 2

How do you find the solution set on a graph of a Linear System with three variables?

Answer 2

You find the spot(s) where all lines intercept.

Question 3

How can you tell if a system has an infinite amount of solutions?

Answer 3

If “1” works for all equations.