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Black Advanced Problems in Mathematics
Exam
Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

If x^2 - 3x + 2 > 0 and x^2 - 3x - 4 ≤ 0 , then:

If x2−3x+2>0x^2 - 3x + 2 > 0 and x2−3x−4≤0x^2 - 3x - 4 \le 0, then:

Options

  1. A∣x∣≤2|x| \le 2
  2. B2≤x≤42 \le x \le 4
  3. C−1≤x<1-1 \le x < 1
  4. D2<x≤42 < x \le 4.

Correct answer

C. −1≤x<1-1 \le x < 1

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