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Intro Algebra vocab
Early vocabulary for introductory algebra
| Question | Answer |
|---|---|
| What is the numerical coefficient (or 'coefficient') of a term? | The numerical factor of a term |
| What are like terms? | terms that have exactly the same variable part |
| What is a linear equation in one variable? | An equation that can be written in the form ax+b=c, where a, b, and c are real numbers and a does not equal 0. |
| What property is illustrated by the following example: If a=b , then ac=bc? | Multiplication property of equality. |
| What property is illustrated by the following example: 4(7+x) = 28 + 4x ? | Distributive property |
| What property is illustrated by the following example: 4x + 3 + x + 2 = 4x + x + 3 + 2 ? | Commutative property of addition |
| What property is illustrated by the following example: (8+7)+3 = 8+(7+3) ? | Associative property of addition |
| In the following list, which terms are like terms: 4x, 4y, 3x, 4, -2x ? | 4x, 3x, and -2x |
| Define equivalent equations. | Equations that have the same solution. |
| What is a formula? | An equation that describes a known relationship among quantities. |
| Define absolute value. | The distance between that number and 0 on the number line. |
| A symbol used to represent a number is called ____. | a variable |
| Two numbers whose product is 1 are called ____. | reciprocals |
| The number in a fraction below the fraction bar is called the _____. | denominator |
| The number in a fraction above the fraction bar is called the _____. | numerator |
| Parentheses, brackets, and fraction bars are examples of _____ . | grouping symbols |
| The value for a variable that makes an equation true is called the _____ . | solution |
| Two numbers that are the same distance from zero but lie on opposite sides of 0 are called ____ . | opposites |
| What is the sum of 8 and 2 ? | 10 |
| What is the difference of 8 and 2 ? | 6 |
| What is the product of 8 and 2 ? | 16 |
| What is the quotient of 8 and 2 ? | 4 |
| This symbol < means ______. | Less than |
| This symbol > means ______ . | Greater than |
| What does it mean to solve an equation? | To find the value for the variable that will make the equation true. |
| By what property do we know that x = 1/2 and 5x = 5(1/2) are equivalent equations? | Multiplication property of equality |
| By what property do we know that x = 5 and 3+x = 3+5 are equivalent equations? | Addition property of equality |
Created by:
btimmer
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