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mhphall prealgebra
Chapter 2 Vocabulary
Question | Answer |
---|---|
What is additive identity? | The additive identity is zero. When you add a number and 0, the sum equals the original number. |
What is multiplicative identity? | The multiplicative identity is 1. For any number a, the product of a and 1 is a. |
What is the distributive property? | For any numbers a, b, and c, a(b + c) = ab + ac and a(b - c) = ab - ac. |
What is a coefficient? | A coefficient is a number that multiplies a variable. |
What is a term? | A term is a number or the product of a number and variable(s). |
What is a constant? | A constant is a term that has no variable. |
What is to simplify a variable expression? | To simplify a variable expression replace it with an equivalent expression that has as few terms as possible. |
What is Deductive reasoning? | Deductive reasoning is the process of reasoning logically from given facts to a conclusion. |
What is an equation? | An equation is a mathematical sentence with an equal sign. |
What is an open sentence? | An open sentence is an equation with one or more variables. |
What is a solution of an equation? | A solution of an equation is a value for a variable that makes an equation true. |
What is an inverse operation? | Inverse operations are operations that undo each other. |
What is an inequality? | An inequality is a mathematical sentence that contains an unequal, greater than, less than, equal to or greater than, equal to or less than signs. |
What is a solution of the inequality? | A solution of the inequality is any number that makes an inequality true. |