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Equations of parallel and perpendicular Lines Section Writing Equations of parallel and perpendicular Lines 187 Recognizing parallel LinesWork with a partner. Write each linear equation in slope-intercept form. Then use a graphing calculator to graph the three equations in the same square viewing window. (The graph of the fi rst equation is shown.) Which two lines appear parallel ? How can you tell?a. 3x + 4y = 6 b. 5x + 2y = 63x + 4y = 12 2x + y = 34x + 3y = 12 + y = 5 9 669y = x + 3432 9 669y = x + 352 Essential QuestionEssential Question How can you recognize lines that are parallel or perpendicular ?USING TOOLS STRATEGICALLYTo be profi cient in math, you need to use a graphing calculator and other available technological tools, as appropriate, to help you explore relationships and deepen your understanding of concepts. Recognizing perpendicular LinesWork with a partner.
Section 4.3 Writing Equations of Parallel and Perpendicular Lines 187 Recognizing Parallel Lines Work with a partner. Write each linear equation in slope-intercept form. Then use a graphing calculator to graph the three equations in the same square viewing window.
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Chapter 3: Parallel and Perpendicular Lines Guided, Parallel lines, Lines parallel, Parallel, Perpendicular, 3 Parallel and Perpendicular Lines, Lines, Perpendicular Lines, Parallel and Perpendicular, Parallel and Perpendicular Lines, 4 Parallel and Perpendicular Lines Alg, Slopes of Parallel and Perpendicular Lines, Geometry - Equations - Parallel and Perpendicular Lines, Line Parallel or Perpendicular to, Line Parallel or Perpendicular to Another, Practice B 3-4 Perpendicular Lines, Parallel and Perpendicular Lines Notes