Algebra Crossword

3. Numbers and symbols that show how to work something out
4. Numbers symbols and operators (such as + and ×) grouped together that show the value of something.
9. The plane containing the "x" axis and "y" axis.
12. The line on a graph that runs vertically (up-down) through zero.
14. Dividing th enumber by 1
17. The line on a graph that runs horizontally (left-right) through zero.
18. A special curve, shaped like an arch.
19. A symbol for a number we don't know yet. It is usually a letter like x or y.
21. A polynomial with two terms.

1. The size of a surface.
2. Two terms that are squared and separated by a subtraction sign
5. A diagram of values, usually shown as lines or bars.
6. The answer when two or more numbers are multiplied together.
7. two values are not equal
8. Expression An expression that is the ratio of two polynomials.
10. A polynomial with three terms.
11. says that two things are the same, using mathematical symbols.
13. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
15. change the sign in the middle
16. An expression that uses a root, such as square root, cube root
20. First,outer,inner,last