Week 12 – Solving Systems of Equations Algebraiclly

This week I learned how to solve systems of equations algebraiclly.

Here is a common question:

This question asked me to solve each quadratic-quadratic system alegebraiclly. The first thing I did in this question was combine the two graphs together to make one quadratic equation. Then I had to factor the equation to figure out where the graphs intercept on x. After I subistituted in the two roots to find the exact points where the graphs intersect.

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