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Linear Equations in One Variable

SAT Math· difficulty 3/5

Which inequality is equivalent to ∣x+4∣≥6|x + 4| \ge 6?

  • A

    x≤−10x \le -10 or x≥2x \ge 2

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  • B

    x≥2x \ge 2 only

  • C

    −10≤x≤2-10 \le x \le 2

  • D

    x≥−10x \ge -10 and x≤2x \le 2

Explanation

x+4≥6x + 4 \ge 6 gives x≥2x \ge 2; x+4≤−6x + 4 \le -6 gives x≤−10x \le -10.

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