5-Minute Check Lesson 1-5A

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Presentation transcript:

5-Minute Check Lesson 1-5A

Alternate Warm Up On an index card, give either of the following information to write the equation of a line: 2 points or Point and slope or Slope and y-intercept Then exchange notes with someone in the room and solve their problem. Check your answers, put both names on the back.

Mid Chapter Quiz Solutions p31

Solutions p30:11-21odd, 30-35

1-5 Parallel & Perpendicular Lines Writing equations of parallel and perpendicular lines.

Writing Equations of Parallel and Perpendicular Lines Lesson 1-5 Writing Equations of Parallel and Perpendicular Lines What is unique about the equations of parallel and perpendicular lines? Vocabulary Parallel lines Coincide Perpendicular lines

What makes lines parallel or perpendicular to each other? Parallel Lines – Two lines are parallel if they have no points in common and have equal slopes. Perpendicular Lines – Two lines are perpendicular if they meet at a right angle and have opposite reciprocal slopes. Coinciding – Two lines are coinciding if they share all the same points and have

Example 3 Write the slope-intercept form of the equation of a line that passes through (7,-2) and is perpendicular to 6x – y = 3

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