Mathematics Class IX Question Bank

Review of representation of natural numbers, integers, rational numbers on the number line.

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Definition of a polynomial in one variable, its coefficients, with examples and counter examples.

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Recall of linear equations in one variable. Introduction to the equation in two variables.

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The Cartesian plane, coordinates of a point, names and terms associated with the coordinate plane.

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History - Euclid and geometry in India. Euclid's method of formalizing observed phenomenon into rigorous mathematics.

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Given two distinct points, there exists one and only one line through them.

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If a ray stands on a line, then the sum of the two adjacent angles so formed is 180o and the converse.

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If two lines intersect, the vertically opposite angles are equal.

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Results on corresponding angles, alternate angles, interior angles when a transversal intersects two parallel lines.

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Lines, which are parallel to a given line, are parallel.

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