Linear Inequalities in One or Two Variables

SAT Math· difficulty 3/5

Which inequality describes the half-plane below the line y=x+4y = -x + 4 (not including the line)?

  • A

    yx+4y \le -x + 4

  • B

    y<x+4y < -x + 4

    check_circle
  • C

    yx+4y \ge -x + 4

  • D

    y>x+4y > -x + 4

Explanation

Strictly below means y<x+4y < -x + 4 (dashed line).

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