Question
Use slopes to show that $A(1,1), B(7,4), C(5,10),$ and $D(-1,7)$ are vertices of a parallelogram.
Step 1
The formula for the slope of a line given two points $(x_1, y_1)$ and $(x_2, y_2)$ is $\frac{y_2 - y_1}{x_2 - x_1}$. Show more…
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? Using Slopes Verify the given geometric property. $$ \begin{array}{l}{\text { Use slopes to show that } A(1,1), B(7,4), C(5,10), \text { and }} \\ {D(-1,7) \text { are vertices of a parallelogram. }}\end{array} $$
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