Math 101 Exam Questions with 100% Correct Answers

Math 101 Exam Questions with 100% Correct Answers Variable - A symbol that can vary in value, usually a letter of the alphabet, such as x or y Constant - A symbol that does not vary in value. Usually a number on its own, or sometimes a letter such as a, b, or c to stand for a fixed number. Expression - A constant, variable, or a combination of, that describes a calculation: 2+6, 4x-5, or 1/3 πr^2 h Equation - A mathematical relationship that contains an equals sign: 2+6=8, 4x-5=12, or V=1/3 πr^2 h Inequality - A mathematical relationship that contains an inequality symbol (<, > , and others ) Set - A collection of objects. Braces are used to indicate a set. {1,2,3,4} 1,2 3,&4 are the members or "elements" of this set Natural numbers - The counting numbers : 1 2,3,4,... Whole numbers - Natural numbers and 0: