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a sequence with a constant second difference between consecutive terms has a quadratic general term which can be written Tn = an2 + bn + c.
statistical data organised in a table. The data may be grouped or ungrouped.
non-terminating, non-recurring fractions. The set of irrational numbers is a subset of the real...
a polygon formed by joining the midpoints of the top of the columns of a histogram.
a transformation in which a shape is enlarged from a centre of enlargement by a scale factor....
a pyramid with its vertex directly above the centre of its square base.