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Making Connections Glossary |
face |
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One of the flat surfaces of a polyhedron, including the base(s). | |
factor |
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(1) In arithmetic: when two or more integers are multiplied, each of the integers is a factor of the product. For example, 4 is a factor of 24, because 4 · 6 = 24. (2) In algebra: when two or more algebraic expressions are multiplied together, each of the expressions is a factor of the product. For example, x2 is a factor of −17x2y3, because (x2)(−17y3) = −17x2y3. (3) To factor an expression is to write the expression as a product. For example, the factored form of x2 − 3x − 18 is (x − 6)(x + 3). |
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family of fractions |
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All fractions that are equivalent to each other form a family of fractions. (See equivalent fractions.) | |
formula |
An equation that shows a mathematical relationship. | |
fraction |
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A number expressed in the form for which a and b are integers and b is not equal to 0. A fraction is also called a rational number. | |
frequency |
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The number of times that something occurs within an interval or data set. | |