Date: 2017-04-08 16:45 More videos "Solve the system of linear equations by graphing" $$\begin{array}{lcl} x+7y-z&amp =&amp 9\\ \frac{-65}{6}+7\cdot \frac{7}{8}+z&amp =&amp 7\\ 8+z&amp =&amp 7\\ z&amp ...

How to solve simultaneous equations using graphs. How much is each ticket? Draw a bar to represent one adult and two children’s tickets. Let’s call the adult ticket 𝑦 and the child ticket 𝑥. Another ...

Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...

Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend. Use ...