Alegebra 1

2. A fixed, well-defined number, non-changing mathematical object
3. Having two numbers or variables
4. The branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of expressions within those systems.
10. The measure of the steepness and direction of the line
11. A single expression
12. A multiplicative factor of a term

1. A symbol, typically a letter that holds a place for constants, often numbers
5. Branch of mathematics like addition, subtraction, multiplication and division
6. The non-negative value of x without regard to its sign
7. A point where the graph of a function or relation intercepts the axis of the coordinate system
8. The equality of two expressions
9. Difference The amount of each number in an arithmetic sequence