Maths Crossword

1. a value for the variable that makes an equation true
4. fraction with one or more variables in the numerator or denominators
13. a place holder for any value
14. the second number of an ordered pair
15. finding the numerical value of an expression
17. an example that shows a conjecture is not true
18. an equation that contains a variable
19. it is formed by the intersection of two numbers lines that meet at right angles at their zero points
20. the point at which the number lines intersect in a coordinate plane

2. it is reasoning based on a patterns of examples or past events
3. the set of all the x-coordinates of an ordered pair
5. an educated guess
6. a dot at the point that corresponds to an ordered pair on a coordinate plane
7. a graph that shows relationship between two sets of data
8. the set of all the y-coordinates from each ordered pair
9. reasoning the process of using facts, properties, or rules to justify reasoning or reach valid conclusions
10. the first number of an ordered pair
11. statements that are true for any numbers
12. a mathematical sentence that contains an equal sign
16. set of ordered pairs