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Algebra
| Question | Answer |
|---|---|
| Variable | a letter that represents an unknown value;can use any letter. |
| Constant | a term without a variable;numbers |
| Coeffcient | the number part of a term with variables. |
| Term | a single number or variable, or numbers and variables multipled together. |
| Like Terms | two or more terms with the same variable. |
| Algebraic Expression | have at least one variable or operations |
| Sum | answer to a addition problem |
| Difference | answer to a subtraction problem |
| Product | answer to a multiplication problem |
| Quotient | answer to a division problem |
| Fewer Than/Less Than | subtract+reverse |
| how much more/less | subtract |
| % or faction of | multiply |
| each | divide |
| than/from | reverse the order |
| Associative property | the way in which numbers are grouped when added or multiplied does not change the answer. |
| Commutative property | the order in which numbers are added or multiplied does not change the answer. |
| Identity property of addition | the sum of an addend & 0 is the same as the addend |
| identity property of multiplication | the product of any factor & 1 is the same as the factor |
| additive inverse property | adding a number and it's opposite will produce a sum of zero |
| multiplicative inverse property | multiplying any number and it's inverse (reciprocal) equals one. |
| Distributive Property | the sum of two or more addends multiplied by a number gives you the same answer as distributing the multiplier each addend separately, and adding the products together. |
| Associative property | (x + 7) + 9 = x + (7 + 9) |
| Associative property | 4(3 * 9) = (4 * 3)9 |
| Commutative property | (x + 7) + 9 = 9 + (7 + x) |
| Commutative property | 5 * 6 = 6 * 5 |
| Identity property of addition | x + 0 = x |
| identity property of multiplication | 6(1) = 6 |
| additive inverse property | -5 + 5 = 0 |
| multiplicative inverse property | 4 * 1/4 = 1 |
| Distributive Property | 4(x + 3) = 4x + 12 |
| Distributive Property | 16 + 40 = 8(2 + 5) |