Across
- 1. sentence: an equation that contains a variable
- 3. to write an expression in a simplifier form
- 9. the set of the y-coordinates of a ordered pairs
- 10. a example that shows a conjecture is not true
- 11. reasoning: the process of using facts, properties, or rules to justify reasoning or reach valid conclusions
- 12. a placeholder for any value
- 13. a set of ordered pairs
- 14. an educated guess.domain: set of all x-coordinates for each pair
- 16. a value for the variable that makes an equation true
- 17. a dot at the point that corresponds to an ordered pair on a coordinate plane
- 18. the horizontal number line which helps to form the coordinate system
Down
- 1. the point at which the number lines intersect in a coordinate system
- 2. a pair of numbers used to locate any point on a coordinate plane
- 4. reasoning based on pattern of examples or past events
- 5. a graph that shows the relation between the two sets of the data
- 6. a mathematical sentence that contains an equal sign
- 7. statement that are true for any numbers
- 8. expression: a combination of numbers and operation such as addition, subtraction, multiplication, and division
- 15. finding the numerical value of an expression