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Chapter 3

Chapter 3. By Audrey, Monye , Emily, Jacob, and Peter Shum Shum. Skew Lines – lines that do not intersect and are not coplanar Parallel Lines – lines that do not intersect and are coplanar. Which lines are skew lines? Which lines are parallel lines?.

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Chapter 3

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  1. Chapter 3 By Audrey, Monye, Emily, Jacob, and Peter Shum Shum

  2. Skew Lines – lines that do not intersect and are not coplanar Parallel Lines – lines that do not intersect and are coplanar Which lines are skew lines? Which lines are parallel lines?

  3. Transversal – line that intersects two or more coplanar lines at different points

  4. Converses: If any congruent corresponding, alternate interior, alternate exterior, or consecutive angles, then there are parallel lines.

  5. Slope – ratio of vertical change to horizontal change between two points in a line M= rise/run = y2-y1/x2-x1

  6. Y intercept form- y=mx+b Standard Form – Ax+By To find y-int, plug in y as 0. To find x-in, plug in points and solve for b. To find y-int, plug in x=0 To find x-int, plug in y as 0 To find slope, use –a/b

  7. Quiz How do you find the y-intercept in slope intercept form? What is the slope of the line perpendicular to a slope of 2/3? What does a slope of 0 look like?

  8. Homework Page 194 (5,9,16,25,28)

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