GMAT 考满分题库

Does the parabola y=$$x^{2}$$+c intersect with the line y=mx+b?

1:c-b<0

2:$$m^{2}$$-4(c-b) ≥ 0
  • AStatement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
  • BStatement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
  • CBoth statements TOGETHER are sufficient, but NEITHER one ALONE is sufficient.
  • DEACH statement ALONE is sufficient.
  • EStatements (1) and (2) TOGETHER are NOT sufficient.
显示答案
正确答案: D

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