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Unit 5 Notes Day 7

Unit 5 Notes Day 7. 7-5. Coordinate Geometry. rise run. vertical change horizontal change. Course 3. Slope is a number that describes how steep a line is. slope =. =. Warm Up Complete each sentence. 1 . Two lines in a plane that never meet are called ______________lines.

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Unit 5 Notes Day 7

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  1. Unit 5 Notes Day 7

  2. 7-5 Coordinate Geometry riserun vertical change horizontal change Course 3 Slope is a number that describes how steep a line is. slope = =

  3. Warm Up Complete each sentence. 1. Two lines in a plane that never meet are called ______________lines. 2. ___________________ lines intersect at right angles. 3. The symbol || means that lines are _________________ . 4. The symbol means that the lines are _________________.

  4. Helpful Hint If a line has slope , then a line perpendicular to it has slope – . ab ba

  5. 7-5 Coordinate Geometry 3 2 slope of EF = – 3 5 slope of GH = 3 5 slope of PQ = 2 3 slope of CD = 3 –3 slope of QR = or –1 Course 3 Additional Example 2: Finding Perpendicular Line and Parallel Lines Which lines are parallel? Which lines are perpendicular?

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