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ALG I LAP 2
| Term | Definition |
|---|---|
| variable | a letter that represents a number |
| evaluate | find the value of a numerical expression by substituting numbers for variables |
| variable expression | combination of numbers and variables joined by arithmetic operations |
| perimeter | the measure around a geometric figure |
| area | the number of square units contained by a geometric figure |
| volume | the number of cubic units contained in a 3 dimensional geometric figure |
| Commutative Property | for addition and multiplication, order doesn't matter 3 + a = a + 3 |
| Associative Property | for addition and multiplication, grouping doesn't matter (a + 3) + b = a + (3 + b) |
| Distributive Property | 4(a + b) = 4a + 4b |
| constant | a symbol that always represents the same number ex; 5x + 3 3 is constant |
| numerical coefficient | the number portion of a term, always before the variable ex. 3ab 3 is coefficient |
| like terms | same variables with the same exponents |
| exponential form | term written with exponents |
| factored form | no exponents, shown as repeated multiplication |
| Product of Powers | if multiplying two or more monomials, add exponents if bases are the same |
| perimeter of a rectangle | 2 Lengths + 2 widths |
| area of a rectangle | Length times Width |
Created by:
mcchesney
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