MAT223H1 Chapter Notes - Chapter 1.1: Free Variables And Bound Variables, Linear Equation
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The linear equation in eample 2 is inconsisten because no sn was found. Solution: this time we can multiply the first equation by 3/2. Which means the relationship between x1 and x2 are the same in both equations. This is isolating x1 on one side in the above equation. (i don"t get above equation) S1 in the case is the free variable. This is known as the general solution because it gives all the solution to the system of equations. The graph only shows one line because they are two equations with identical lines. The two lines have an infinitely amount of points intersecting. When you connect 2 cardboard, like the above image, you will realize that the above image will create planes. The equations with 3 variables are no longer lines they are planes. And therefore because they are planes, you will discover that the answers are either 0 or inconsistent.
