GMAT 考满分题库

- 数学PS -
In the xy-plane, line n passes through the origin and has slope 4. If points (1, c) and (d, 2) are on line n, what is the value of $$\frac{c}{d}$$?
  • A0.25
  • B0.5
  • C2
  • D4
  • E8
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正确答案: E

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