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Linear Inequalities in One or Two Variables

SAT Math· difficulty 3/5

The solution to 4(x−1)≥2x+64(x - 1) \ge 2x + 6 in interval notation is

  • A

    [1,∞)[1, \infty)

  • B

    [5,∞)[5, \infty)

    check_circle
  • C

    (−∞,5](-\infty, 5]

  • D

    [5,6][5, 6]

Explanation

4x−4≥2x+6⇒2x≥10⇒x≥54x - 4 \ge 2x + 6 \Rightarrow 2x \ge 10 \Rightarrow x \ge 5.

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