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levinskiChapter2
Chapter 2
| Question | Answer |
|---|---|
| Commutative Property | Order Does Not Matter Addition- 2+3=3+2 =5 Multiplication- 2(3)=(3)2=6 |
| Associative Property | Grouping does not matter Addition- 2+(3+4)=(2+3)+4=9 Multiplication- 2(3x4)=(2x3)4=24 |
| Identity Property | The number multiplied or added which allows me to get the number back again Addition- 2+0=2 Multiplication- 2x1=2 |
| Distributive Property | 4(3)+4(5) or 4(3+5) |
| Term | Any number or variable connected by the addition or subtracting symbol |
| Like Terms | More than one term or terms that have the same variables and powers. |
| Variable Terms | Any term that contains a variable parts of a variable term- Coefficient, 4x |
| Numeric Term | Any term made up of an only numbers |
| Constant | Terms that contain only numbers |
| Open Sentence | Equation that contains a variable |
| Inequality | A mathematical statement that includes a less than, or greater than symbol |
| Open Circle | Means not included in our solution, not equal to, >,< |
| Closed Circle | Means the number is included in our solution, = to |
| Solving Equations | 1. Identify Variable 2. Write Equation 3. Solve 4. Sentence |
| Solving Inequalities | Must remember to reverse the inequality sign when multiplying or dividing by a negative number |