Solve each system by graphing. See Example 2. $$ \left\{\begin{array}{l} y=-2 x+1 \\ x-2 y=-7 \end{array}\right. $$
Added by Michelle W.
Step 1
First, we need to rewrite each equation in slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept. For the first equation, y = -2x + 1, the slope is -2 and the y-intercept is 1. For the second equation, x - 2y = -7, we can solve for y Show more…
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