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C2_Chapter 1
Chapter 1 Vocabulary
| Question | Answer |
|---|---|
| Algebra | The branch of mathematics that involves expressions with variables. |
| Algebraic Expression | A combination of variables, numbers, and at least one operation. |
| Arithmetic Sequence | A sequence in which each term is found by adding the same number to the previous term. |
| Base | In a power, the number used as a factor. In 10^3, the base is 10. That is, 10^3 = 10 × 10 × 10. |
| Coefficient | The numerical factor of a term that contains a variable. |
| Defining The Variable | Choosing a variable to represent an unknown value in a problem, and using it to write an expression or equation to solve the problem. |
| Domain | The set of input values for a function. |
| Equation | A mathematical sentence that contains an equals sign, =. |
| Equivalent Expressions | Expressions that have the same value. |
| Evaluate | To find the value of an expression. |
| Exponent | In a power, the number that tells how many times the base is used as a factor. In 53, the exponent is 3. That is, 53 = 5 × 5 × 5. |
| Factors | Two or more numbers that are multiplied together to form a product. |
| Function | A relation in which each element of the input is paired with exactly one element of the output according to a specified rule. |
| Function Rule | The operation performed on the input of a function. |
| Numerical Expression | A combination of numbers and operations. |
| Order of Operations | The rules to follow when more than one operation is used in a numerical expression. |
| Perfect Squares | Numbers with square roots that are whole numbers. 25 is a perfect square because the square root of 25 is 5. |
| Powers | Numbers expressed using exponents. The power 3^2 is read three to the second power, or three squared. |
| Radical Sign | The symbol used to indicate a nonnegative square root, √. |
| Range | The set of output values for a function. |
| Sequence | A list of numbers in a certain order, such as 0, 1, 2, 3, or 2, 4, 6, 8. |
| Solution | A value for the variable that makes an equation true. The solution of 12 = x + 7 is 5. |
| Square | The product of a number and itself. 36 is the square of 6. |
| Square Root | One of the two equal factors of a number. The square root of 9 is 3. |
| Term | Each number in a sequence. |
| Variable | A placeholder, usually a letter, used to represent an unspecified value in mathematical expressions or sentences. In 3 + a = 6, a is a variable. |
Created by:
Mrs_Irish
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