Precalculus Crossword

1. reciprocal of cosine.
4. the power which a number is to be raised to.
7. opposite of an angle.
10. the symbol used to find the root of a number.
11. the point where a line crosses the x or y axes.
14. reciprocal of sine.
17. the lowest point on a graph.
18. a mathematical expression made of variables, coefficients, constants, and arithmetic operations.
20. the graph of a quadratic function.

2. adjacent to an angle.
3. branch of mathematics dealing with the relationships between the sides and angles of triangles.
5. cosine over sine.
6. the point where a parabola crosses the axis of symmetry.
8. the highest point on a graph.
9. the measure of the steepness of a line, or its "rise over run."
12. a Greek letter used as a variable to represent an angle.
13. a set of numbers which locate specific points on a graph.
15. a line that approaches the graph, but never touches.
16. a mathematical constant which is the ratio of a circle's circumference to its diameter.
19. opposite over adjacent, or sine over cosine.