Math Crossword

2. the sum of the terms of a sequence
4. set of points such that the difference of the distances from each point to two distinct, fixed points (called the foci) is a positive constant
5. (of an ellipse) the endpoints of the major axis
7. an acute angle that helps calculate trigonometric function values of an oblique angle
10. of two vectors, v = <a,b> and w = <c,d>, is v · w = ac + bd.
14. a method for solving systems of equations with matrices
15. method of writing a vector's terminal point which presupposes that its initial point is the origin
16. a relation in which every input results in one and only one output
17. the fixed distance between the center of a circle and any point on that circle
19. a circle, centered at the origin with radius 1, which is used to calculate the sine and cosine values of certain angles
21. sum of the terms of a series whose upper summation limit is finite
22. quantity that possesses both magnitude and direction
25. set of equations for which you are seeking coordinates that makes all of the equations in the set true
26. any number that cannot be expressed as the quotient , where a and b are integers and b is nonzero
27. the set of all possible ordered pairs (a, b) composed of elements taken from the two sets, A and B

1. the value by which a sin/cos graph is stretched
3. the set of coplanar points such that the sum of the distances from each point to two distinct coplanar points (called the foci) is constant
6. a set of coplanar points equidistant from a fixed point (the focus) and a fixed-line (the directrix)
8. a rectangular collection of numbers, arranged in rows and columns, surrounded by a single set of brackets on either side
9. if a vertical line can be drawn through a graph, intersecting it in two or more places, then the graph cannot be that of a function
11. angles in standard position that share the same terminal ray
12. a shortcut alternative to long division, which uses only the coefficients of the divisor and dividend; it is only applicable if the divisor is linear
13. the shortest length along the x-axis after which a periodic graph will repeat itself
18. term used to refer to a numeric, non-vector quantity when dealing with vectors
20. the set of all inputs for which a function or relation is defined.
23. a set of coplanar points equidistant from a fixed point
24. measurement of an angle in standard position that, when extended to a circle of radius r centered at the origin, will mark the endpoints of an arc whose length is also r