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Pearson Algebra 1 Common Core, 2011 View details

1. Solving Systems by Graphing

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Exercise 50 Page 369

What do parallel lines have in common?

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Consider the given equation of a line. y= 1x+3 When lines are parallel, they have the same slope. Because of this, we know that all lines that are parallel to the line whose equation is given will have a slope of 1.