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3.2 Exercise 32

Avg difficulty 2.5

Use slopes and y-intercepts to determine if the lines are parallel:

ⓐ 2x+5y=52 x + 5 y = 5 and y=−25x−4y = - \frac{2}{5} x - 4 ⓑ y=−12x−1y = - \frac{1}{2} x - 1 and x+2y=−2.x + 2 y = −2 .

OpenStax Intermediate Algebra 2e, 3.2 Slope of a Line, exercise 32

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.