Linear Inequalities in One or Two Variables

SAT Math· difficulty 4/5

For what values of aa does the inequality ax>6ax > 6 have solution x<6/ax < 6/a?

  • A

    a>0a > 0

  • B

    a0a \ne 0

  • C

    a<0a < 0

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  • D

    All real aa

Explanation

Dividing by aa flips the inequality only when a<0a < 0.

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