standard_description: Prove that, given a system of two equations in two variables, replacing one equation by the sum of that equation and a multiple of the other produces a system with the same solutions.
problem_activity: Problem 4
Pre-unit
Here are the lengths of some lizards in inches. Use the lengths to complete the line plot.
\(2\frac{1}{4}\)
\(1\frac{1}{2}\)
\(2\frac{2}{4}\)
3
\(3\frac{2}{4}\)
2
\(2\frac{1}{4}\)
\(2 \frac{1}{4}\)
\(2\frac{3}{4}\)
2
\(2\frac{1}{4}\)
3
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aligns: no