math

In a recent Math Duel, my team began by graphing 51x+24+75. If our opponents graphed a line parallel to ours, they might have graphed
A. 17x+16y=25
B. 17x+8y=50
C. 34x+8y+50
D. 34x+16y=50

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asked by timothy
  1. Assuming you meant
    51x+24y = 75,
    you can divide by 3 to get
    17x+8y = 25

    So, 17x+8y = C
    will be parallel, regardless of the value of C. (except C=25)

    So, pick (B) because (D) is the same line as the original (obtained by multiplying through by 2/3).

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    posted by Steve

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