Page 211 - Mathematics GRADE 9, DE-STREAMED (MTH1W)

Glossary
The definitions provided in this glossary are specific to the curriculum context in which the terms are used.
algebraic expression
A collection of one or more terms involving variables, numbers, and operations. For example, the algebraic expression 5m has one term, and 6x2 + xy – 8 has three terms. See also term, variable.
appreciation
An increase in value of an asset or a currency.
assumption
A premise that a person believes to be true.
base
A factor or the value in a power that is being repeatedly multiplied. For example, in the power 35, 3 is the base. See also exponent, power.
box plot
A graphic representation of the spread of a data set. A rectangle (box) shows the spread of the central half of the distribution, with the first quartile on the left edge, the third quartile on the right edge, and the median as a line within the box. Lines (whiskers) extend from the sides of the box to the lowest and highest values that are not outliers. Potential outliers are marked with a symbol beyond the whiskers. Also known as box-and-whisker plot. See also median, quartile values.
budget
An estimate or plan to manage income and expenses over a set period; for example, many people have a weekly or monthly budget. See also expenses, income.
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