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Big Ideas Math Integrated I, 2016 View details

3. Writing Equations of Parallel and Perpendicular Lines

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Exercise 35 Page 182

Draw two arbitrary lines with the same y-intercept.

Sometimes

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Let's draw two arbitrary lines that have the same y-intercept.

These lines both cross the y-axis at 2, but they are not perpendicular. They do not form a right angle. However, we could have drawn the lines in such a way that they did form a right angle. Therefore, the statement is sometimes true.