8th Grade Math Vocabulary

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Across
  1. 3. A line that intersects two or more lines at distinct points.
  2. 5. A graph that is not a line.
  3. 7. The number set made up of natural numbers and zero.
  4. 10. An association formed when the points on a scatterplot resemble a straight line.
  5. 12. A 3D object with two parallel, congruent circular bases.
  6. 16. The new figure created from a transformation.
  7. 17. The ratio of the distance of a new figure from the center of dilation to the distance of the original figure from the center of dilation.
  8. 22. An association formed on a scatterplot when the response variable increases as the explanatory variable increases.
  9. 23. A decimal in which a digit, or group of digits, repeats infinitely.
  10. 25. The second coordinate of an ordered pair in a relation.
  11. 27. The point of intersection on a system of equations.
  12. 28. Used to express a very large or a very small number as the product of a number greater than or equal to 1 and less than 10 to a power of 10.
  13. 30. The side opposite the right angle in a right triangle.
  14. 32. The distance from one edge of a circle, through the center, the another edge of the circle.
  15. 34. _ angles have the same relative position in geometric figures.
  16. 36. The set of numbers that can be written as a fraction.
  17. 40. A rigid motion transformation that "slides" each point of a figure the same distance and direction.
  18. 41. _ interest is a percentage that is paid on the principal and interest after each time period.
  19. 42. A graph of a collection of ordered pairs that allows exploration of the relationship between the points.
  20. 44. A pattern or relationship in a scatterplot of a two-variable data set.
  21. 46. A _ relationship is one in which the ratio of the inputs and outputs is constant, ex: y/x should be the same for each piece of the relationship.
  22. 47. The set of whole numbers and their additive inverses.
Down
  1. 1. When the scale factor is greater than 1, the image is called an _.
  2. 2. The original figure in a transformation.
  3. 4. An association formed on a scatterplot when the explanatory variable increases as the response variable also increases.
  4. 6. The direction and steepness of a line, usually represented by the variable m.
  5. 8. The length of a line segment drawn from base to base on a prism/cylinder, or from the vertex to the base on a pyramid/cone.
  6. 9. A decimal with a finite number of digits.
  7. 10. Either of the two shorter sides of a triangle.
  8. 11. The y-coordinate of the point where a graph crosses the y-axis.
  9. 13. A transformation that produces a figure that is the same shape as the original figure, but not necessarily the same size.
  10. 14. A _ represents two sets of objects or items. Arrows connect the items to represent a relationship between them.
  11. 15. Any set of ordered pairs or the mapping between a set of inputs and a set of outputs.
  12. 18. A 3D object with a circular base and one vertex.
  13. 19. When the scale factor is less than 1, the image is called a _.
  14. 20. _interest is a percentage that is paid only on the original principal.
  15. 21. Combines the set of rational numbers and the set of irrational numbers.
  16. 24. A rigid motion transformation that "flips" a figure across a line, usually the x-axis or y-axis.
  17. 26. The set of all outputs of the function.
  18. 29. Numbers that cannot be written as fractions.
  19. 31. The movement of a plane and all the points of a figure on a plane according to a common action or operation.
  20. 33. Two figures that have corresponding side lengths and congruent angles.
  21. 35. The set of all inputs of a function.
  22. 37. Maps each input to one and only one output.
  23. 38. A rigid motion transformation that turns or "spins" a figure on a plan about a fixed point.
  24. 39. Another name for the line of best fit on a scatterplot.
  25. 43. The distance from the center of a circle to any edge of the same circle.
  26. 45. The first coordinate of an ordered pair in a relation.