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Sarah thinks these two lines are parallel but is not sure. How could she use angles to help her check?
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Sarah thinks these two lines are parallel but is not sure. How could she use angles to help her check?

Sarah thinks these two lines are parallel but is not sure. How could she use angles-example-1
User Asgar
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Answer:

We can determine from their equations whether two lines are parallel by comparing their slopes. If the slopes are the same and the y-intercepts are different, the lines are parallel. If the slopes are different, the lines are not parallel. Unlike parallel lines, perpendicular lines do intersect.

Explanation:

User Cow
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