MATH VOCABULARY

1. sequence – A sequence where each term increases or decreases by a constant amount.
5. – A statement that compares two expressions using <, >, ≤, or ≥.
6. – The set of all possible input values (x-values) of a function.
8. equation – An equation where the highest power of the variable is 1, like .
12. – A relation where each input (x) has exactly one output (y).
14. theorem – In a right triangle: , where is the hypotenuse.
16. equation – An equation in the form, where the highest power of is 2.
18. – The U-shaped curve that represents a quadratic function on a graph.
19. of equations – Two or more equations solved together to find a common solution.
20. – Part of a quadratic equation, used to determine the number and type of solutions.

2. – A root of a number or expression, like (square root) or (cube root).
3. – Shows how many times a number is multiplied by itself, like.
4. sequence – A sequence where each term is multiplied by a constant factor to get the next term.
7. – An expression with multiple terms, like .
9. – The set of all possible output values (y-values) of a function.
10. – The steepness of a line, calculated as “rise over run”.
11. – Writing a number or expression as a product of its factors.
13. expression – A fraction where the numerator and/or denominator is a polynomial.
15. ratios – Ratios in a right triangle: sine , cosine, tangent used to find angles or sides.
17. – The point where a line crosses the x-axis (x-intercept) or y-axis (y-intercept).