Chapter 4 : Quadratic Equations
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The roots of x² – 15x + 56 = 0 are
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If the discriminant is a perfect square, roots are generally
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The roots of 2x² + x – 3 = 0 are
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The roots of x² – 14x + 49 = 0 are
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The discriminant of 3x² + 2x + 1 = 0 is
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The equation x² – 1 = 0 has roots
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The roots of x² + x – 12 = 0 are
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Which method uses the formula x = (–b ± √(b² – 4ac))/2a?
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The roots of x² – 2x – 8 = 0 are
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The roots of 5x² – 20x = 0 are
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The value of discriminant for x² – 8x + 16 = 0 is
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The roots of x² – 3x – 10 = 0 are
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The roots of x² + 9x + 20 = 0 are
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Which equation has equal roots?
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The roots of x² – 25 = 0 are
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The discriminant of x² + 2x + 1 = 0 is
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The equation x² – 6x + 8 = 0 has
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The roots of x² – 13x + 40 = 0 are
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The product of roots of ax² + bx + c = 0 is
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The sum of roots of ax² + bx + c = 0 is
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The roots of x² + 2x – 15 = 0 are
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The equation 4x² = 25 has roots
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The roots of x² – 11x + 30 = 0 are
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If b² – 4ac < 0, then roots are
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The discriminant formula is
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The roots of 2x² – 8x + 6 = 0 are
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The coefficient of x² in a quadratic equation is called
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Which of the following has no real roots?
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The roots of x² + 7x + 12 = 0 are
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The equation x² – 16 = 0 can be written as
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The value of x satisfying x² = 49 is
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The roots of 3x² – 12x = 0 are
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The discriminant of x² – 2x + 5 = 0 is
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For equation x² + 6x + 9 = 0, roots are
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The roots of x² – x – 6 = 0 are
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Which method can solve quadratic equations?
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The discriminant of 2x² + 3x – 2 = 0 is
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The roots of x² – 4x + 4 = 0 are
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The product of roots of x² – 7x + 10 = 0 is
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The sum of roots of x² – 7x + 10 = 0 is
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The roots of x² + 1 = 0 are
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If discriminant is zero, roots are
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If discriminant is positive, roots are
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The roots of x² – 5x + 6 = 0 are
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The quadratic formula is
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The value of discriminant for x² + 4x + 4 = 0 is
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The roots of x² – 9 = 0 are
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The degree of a quadratic equation is
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Which of the following is a quadratic equation?
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The standard form of a quadratic equation is
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