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Pre-Algebra TEST

  •  English    12     Public
    Graphing, Substitution, Elimination, and Word Problems from the Practice Test
  •   Study   Slideshow
  • #1
    D
  •  5
  • #2 What does it mean to be "infinite solutions" on a graph?
    To be the same line on top of itself
  •  5
  • #3 Use Substitution
    A
  •  10
  • #4
    B
  •  10
  • #5A Opposite Slopes?
    True
  •  5
  • #5B Infinitie Solutions?
    False
  •  5
  • #5C same y-intercepts?
    False
  •  5
  • #6 Check graph to see if correct
    (-1, 1)
  •  10
  • #7 and why?
    C they are parallel (same slope)
  •  5
  • #8 Use Elimination
    (-2.6, 7)
  •  10
  • #9
    (2, 28) so $28
  •  15
  • #10
    8 small and 6 large
  •  15