Across
- 2. Terms containing the same variable and exponent
- 4. the order of performing computations (PEMDAS) parenthesis, exponents, multiplication, addition, subtractions, read from left to right
- 5. When zero is added to another number, the sum is the number itself
- 11. A number and its additive inverse have a sum of zero, 3 + -3 = 0
- 14. The result of adding two numbers together
Down
- 1. An expression containing numbers and variables, and operations
- 3. A number without fractions, an integer, the numbers in the set {0,1,2,3,4...}
- 6. Any symbol, usually a letter, that could represent a number
- 7. Numbers that correspond to points on a coordinate grid in the form of an ordered pair (x,y)
- 8. The union of two sets A and B is the set of elements that are in A or B or in both. It is denoted by A U B
- 9. Let A={1,2} and B={x,y,z}, then A X B= {(1,x),(1,y), (1,z),(2,x),(2,y),(2,z)}
- 10. A network of horizontal and vertical lines designed for locating points, displaying data, or drawing maps
- 12. A mathematical sentence containing variables in which two expressions are connected by an inequality symbol, < >
- 13. A diagram that shows relationships among sets of objects