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设点A(-1,2),B(2,-2),C(0,3),且点M(a,b)(a≠0)是线...
设点A(-1,2),B(2,-2),C(0,3),且点M(a,b)(a≠0)是线段AB上一点,则直线MC的斜率k的取值范围是( )
A.[
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B.[-1,
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C.[
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D.(-
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∪[1,+∞)
考点分析:
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