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Section 13.2 Equations of lines

Section 13.2 Equations of lines. You did some of this before break! . Memory Refresher!. Forms for Linear Equations. Important Tid -Bits. The book doesn’t really use standard form, but tests/quizzes/ACT/AP tests do! When it is not stated, answer in point-slope form

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Section 13.2 Equations of lines

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  1. Section 13.2Equations of lines You did some of this before break! 

  2. Memory Refresher! Forms for Linear Equations Important Tid-Bits The book doesn’t really use standard form, but tests/quizzes/ACT/AP tests do! When it is not stated, answer in point-slope form Any of the forms can be converted into each other! • Slope-Intercept • Point-Slope • Standard

  3. Horizontal and Vertical Lines Horizontal Lines Vertical Lines Slope = Cross the ___ axis • Slope = • Cross the ___ axis

  4. Other types of Lines… Perpendicular Lines Parallel Lines Slopes are… Ex: What is the slope of the line || to… • Slopes are… • Ex: What is the slope of the line to…

  5. EX 1: Given (2, -6) and (4, 1) Write in pt/slope form: Write in Standard Form:

  6. EX 2: Write the eq. of the line with • a slope of 4 and x-intercept of 9. • Intercepts twice those of 4x + 3y = 12

  7. EX 3: Does the point (6, 7)… • Lie on the line with a slope of -5 and a y-intercept of 4?

  8. EX 4: Write the equation of the…in pt/slope form. a.) Median to AB b.) bis of AB c.) Alt to AB from C

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