Mathematics Class IX Question Bank

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

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

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

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

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

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

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

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

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

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