Quadratic inequalities

Quiz by K KUMARAVELU

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7 questions

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- Q1What is the general form of a quadratic inequality?a + b + c = 0ax^2 + bx + c < 0 or ax^2 + bx + c > 0ax + by = cax + b > 0 or ax + b < 0ax^2 + bx + c = 030s
- Q2Which of the following is the correct solution to the quadratic inequality x^2 - 4x < 0?x < 2 or x > 6x < 0 or x > 4x < -4 or x > 0x < -2 or x > 2x < -6 or x > -230s
- Q3What is the discriminant of a quadratic equation?b^2 - 4acb^2 + 4ac2b - 4acb - 4acb^2 - 4a30s
- Q4What is the range of a quadratic function with a > 0?y ≥ ay ≤ 0y > 0y ≥ 0y < 030s
- Q5Which of the following is the correct solution to the quadratic inequality -2x^2 + 4x > 6?x < 1 or x > 3x < -1 or x > -3x < -3 or x > 1x < -1 or x > 3x < 3 or x > -130s
- Q6Which of the following is the correct solution to the quadratic inequality x^2 + 2x < 3?-3 < x < 1x < -1 or x > 3x < 1 or x > 3x < -3 or x > -1x < -3 or x > 130s
- Q7Which of the following is the correct solution to the quadratic inequality 2x^2 - 3x ≥ 2?x ≤ -1/2 or x ≥ 1x ≤ -2 or x ≥ 1/2x ≤ -2 or x ≥ 1x ≤ -1/2 or x ≥ 2x ≤ -1 or x ≥ 230s