Grade 9 Mathematics Summative Test

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Extracting Square Roots

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What describes the solutions to a quadratic equation?

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roots

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Relationship between the roots and the coefficient of the quadratic term in a quadratic equation?

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Quadratic equation

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Which statement is/are true about quadratic equation? I. The roots of a quadratic equation are always rational numbers. II. The form of quadratic equation is denoted by ax^2 +bx+ c = 0 where a, b, c are real numbers and a≠0. III. All quadratic equations can be linear equations.

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I and II

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x ≥ -3

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-7

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I and III