Any collection of objects - Set, Member of a set - Element, ∈ - Symbol for "the element of", ∉ - Symbol for "not an element of", = - Symbol for "equal to", ≠ - Symbol for "not equal to", { } - Symbol for "the set of", Any part of a given set - Subset, ⊂ - Symbol for subset, Numbers that can be written in decimal form and graphed on a number line - Real numbers, {. . . -2, -1, 0, 1, 2 ...} - Integers, {0, 1, 2, 3, 4 ... } - Whole numbers, {1, 2, 3, 4, 5 ...} - Natural numbers, Numbers that can be written as a ratio of 2 integers - Rational numbers, Numbers that cannot be written as a ratio of 2 integers - Irrational numbers, Sum - Answer to an addition problem, Difference - Answer to a subtraction problem, Product - Answer to a multiplication problem, Quotient - Answer to a division problem, { [ ( ) ] } - Symbols of inclusion,

Chapter 1 - Terms, Symbols, Formulas

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