GMAT 考满分题库

- 数学PS -
Which of the following lines has only one point, whose x and y coordinates are integers?
  • Ay= 2x
  • By= ($$\frac{2}{15}$$)x
  • Cy = 2x +5
  • Dy = x + 2
  • Ey =$$\sqrt{3}$$x
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正确答案: E

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