Algebra 2

3. – The number of times a root appears in a
6. – To find the value of an expression.
7. number – A number involving the square root of a negative number.
9. – A relation where each input has exactly one output.
10. – A function that “undoes” another function.
12. – A measure of the steepness of a line.
13. – An expression with only one term.
17. – A polynomial of degree 2.
19. value – The distance of a number from zero on the number line.
20. – An expression with one or more terms, including variables and exponents.
21. – To break down an expression into multiplied parts.
22. – The point where a graph crosses the vertical axis.
24. terms – Algebraic terms with the same variable(s) and exponents.
25. – A mathematical sentence comparing expressions using <, >, ≤, or ≥.

1. – A value that does not change.
2. – In calculus, they measure how a function changes.
4. – The set of all possible input values for a function.
5. – The number that multiplies a variable in an algebraic term.
8. – An algebraic expression with two terms.
11. – A symbol used to represent roots, such as square roots.
14. expression – A mathematical phrase that can contain numbers, variables, and operations.
15. – The U-shaped graph of a quadratic function.
16. root – A number that, when multiplied by itself, gives the original number.
18. – The number you multiply by to get one.
23. – A solution that doesn't satisfy the original equation.