Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
1. Solving Systems by Graphing
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Exercise 51 Page 369

What do parallel lines have in common?

-1/2

Practice makes perfect

Consider the given equation of a line. y= - 1/2x-4 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 - 12.