Across
- 2. angle An angle whose measure is 90 degrees.
- 4. The steepness of a line expressed as a ratio, using any two points on the line.
- 6. The line segment connecting two nonadjacent vertices in a polygon.
- 8. The result of two numbers being multiplied together.
- 9. The bottom of a plane figure or three-dimensional figure.
- 10. A mathematical statement that says that two expressions have the same value; any number sentence with an =.
- 12. A portion of the circumference of a circle.
- 13. To substitute number values into an expression.
- 15. The study of sound reasoning.
- 19. A point on a line segment that divides the segment into two congruent segments.
- 20. A type of drawing used to represent data.
- 21. A polyhedron with a polygonal base and lateral faces that taper to an apex.
- 23. A real number greater than zero.
- 26. A polygon with 4 sides.
- 29. The union of two rays with a common endpoint, called the vertex.
- 31. A triangle each of whose angles measures less than 90 degrees.
- 34. The ratio of the circumference of a circle to its diameter.
- 35. A mathematical expression which shows that two quantities are not equal.
- 36. For an experiment, the total number of successful events divided by the total number of possible events.
- 37. A line segment that connects two points on a curve. that are a fixed distance from a given point, called the center.
- 39. A triangle with an obtuse angle.
- 42. Pair On the coordinate plane, the pair of numbers giving the location of a point
- 43. The set of points in a plane
- 44. The value of y at the point where a curve crosses the y-axis.
- 46. The set of numbers that includes zero and all of the natural numbers.
- 48. A quadrilateral with four equal sides and four 90 degree angles.
- 49. A equation that states a rule or a fact.
- 51. Two lines are parallel if they are in the same plane and never intersect.
- 52. The _____ of an equation is the same as the solution to the equation.
- 53. A value that does not change.
- 54. A line with zero slope.
- 55. Like a line. A description of any graph or data that can be modeled by a linear polynomial.
- 57. Tilted at an angle; neither vertical nor horizontal.
- 59. A three-dimensional figure with one vertex and a circular base
- 60. Information that is gathered.
Down
- 1. number A real number that is less than zero.
- 3. The point on an angle where the two sides intersect.
- 5. A device for measuring angles.
- 7. A whole number that is not divisible by 2.
- 11. One of two or more expressions that are multiplied together to get a product.
- 14. In probability, a set of outcomes.
- 16. The additive identity; the number that, when added to another number n, gives n.
- 17. The distance from the center to a point on a circle; the line segment from the center to a point on a circle.
- 18. The horizontal axis in a Cartesian coordinate plane.
- 21. The distance around the outside of a plane figure. For a polygon, the perimeter is the sum of the lengths of the sides.
- 22. The middle number in a data set when the data are put in order; a type of average.
- 23. The theorem that relates the three sides of a right triangle
- 24. A limitless quantity.
- 25. value The distance of a number from zero; the positive value of a number.
- 27. The vertical axis in a Cartesian coordinate system.
- 28. part of a line, with one endpoint, and extending to infinity in one direction.
- 30. The value of x at the point where a line or curve crosses the x-axis.
- 32. A number that indicates the operation of repeated multiplication.
- 33. The side opposite the right angle in a right triangle.
- 38. A flat surface of a three-dimensional figure.
- 40. A line that intersects two other lines.
- 41. A three-sided polygon.
- 45. A number used to name a part of a group or a whole. The number below the bar is the denominator, and the number above the bar is the numerator.
- 47. The value of a variable that makes an equation true.
- 50. A type of average; the number (or numbers) that occurs most frequently in a set of data.
- 53. A three-dimensional figure having two parallel bases that are congruent circles.
- 56. triangle A triangle that contains a right angle.
- 58. To divide into two congruent parts.