Algebra 1

3. a symbol used to represent an unknown quantity
4. a mathematical rule that is accepted without proof
7. a mathematical phrase that can contain numbers, variables, and operation symbols
10. a number that cannot be expressed as a ratio of two integers
11. a mathematical sentence that contains an equal sign
14. the number that is added to another number in an addition problem
15. a mathematical statement that two ratios or two rates equal
16. the point where the graph of a function crosses the x-axis
17. a function whose graph is a straight line
19. a mathematical sentence that contains a less that, greater that, or not equal sign

1. the distance a number is from zero on the number line
2. the process of finding the value of a variable in an equation
5. the set of all possible input values for a function
6. the results of multiplying a number by itself
8. a number that can be expressed as a ratio of two integers
9. the result of dividing one number by another
10. a statement that has two expressions are not equal
12. the point where the graph of a function crosses the y-axis
13. the number that is multiplied by the variable in an algebraic expression
18. the set of all possible output values for a function