Algebra 2 Word Wall 4

1. a point inside of a curve that helps determine the curve's shape and size
3. a survey that gathers information from every member of a population
6. science dealing with the collection and analysis of data
9. branch of mathematics that deals with the sides and angles of right triangles
10. adjacent over hypotenuse: the ration of the length of the side of a right triangle adjacent to an angle to the length of the hypotenuse
12. a circle with a radius of one, whose center is the point (0, 0)
13. items arranged in a vertical line
14. following one another in order
15. order of arrangement
19. a study where two or more groups are put in identical situations except for one variable
22. a straight line that is the same distance from a parabola as the parabola is from its focus
23. the reciprocal of the cosine of an angle
24. where the graph of an equation crosses an axis
26. the probability that an outcome will occur
27. a relation where one quantity is greater than or less than another
29. opposite over hypotenuse: the ration of the length of the side of a right triangle opposite an angle to the length of the hypotenuse

2. the reciprocal of the sine of an angle
4. a frequency curve that takes the shape of a bell, also called the "normal distribution"
5. occurring without any reason or pattern
7. a survey of select people who represent a much larger group
8. a study in which the researcher makes no attempt to influence the outcome
11. describes things that cannot both be true
16. where graphs of two or more equations meet
17. a unit for measuring angles, based on the circumference of a unit circle
18. branch of mathematics that uses symbols to represent numbers and values
19. the reciprocal of the tangent of an angle
20. items arranged in a horizontal line
21. opposite over adjacent: the ration of the length of the side of a right triangle opposite an angle to the length of the side adjacent to the angle
25. the graph of a quadratic equation, a U-shaped curve
28. one of four sections of a coordinate plane, as determined by the x and y axis