Monthly Archives: May 2008

In Media Res, or a running start

Let’s look at a system of two equations in two unknowns. We have encountered this topic many times in earlier years, and we have a number of ways to ‘solve’ the system.

2x - y = 0 \qquad \cdots (1)

-x + 2y = 3 \qquad \cdots (2)

Before we go on, let’s solve this system of equations in two different ways that we already know about.

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