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8-5-7. Parallel Lines

Name _____________________________________________________   Date __________________    Score _________

Questions

1.
How can you tell if two lines are parallel?
20 points
  1. They have the same *y-value* and different *slopes*.
  2. They never cross the *y-intercept* .
  3. They have the same *slope* and different *y-intercepts*.
  4. They have the same *y-intercept* and different *slopes*.
 
2.
Write an equation in Slope Intercept Form for a line parallel to $y = 3x - 7$
that passes through the point $(0, 4)$.
20 points
 
3.
Write an equation in Slope Intercept Form for a line parallel to $y = 2x + 3$
that passes through the point $(1, 7)$.
20 points
 
4.
Write an equation in Slope Intercept Form for a line parallel to $y = 7$
that passes through the point $(2, 4)$.
20 points
 
5.
Write an equation in Slope Intercept Form for a line parallel to $y = 4x + 2$
that passes through the point $(5, -3)$.
20 points
 
Possible Points: 100
 

Solutions

  1.    They have the same slope and different y-intercepts.
  2.    $y = 3x + 4$
  3.    $y = 2x + 5$
  4.    $y = 4$
  5.    $y = 4x - 23$