8th Grade Math Vocabulary

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Across
  1. 3. Equation that states a rule for the relationship between certain quantities.
  2. 4. Term that does not contain a variable.
  3. 7. Set of numbers that can be written in the form a divided by b where a and b are integers.
  4. 8. Equation in the form ax+by=c where a and b do not equal 0, whose graph is a straight line.
  5. 9. Side opposite the right angle in a right triangle.
  6. 11. The y-coordinate at which a graph intersects the y-axis.
  7. 12. Numerical factor of a term.
  8. 13. Three-dimensional figure formed by intersecting planes.
  9. 16. If a and b are the measures of the legs of a right triangle and c is the measure of the hypotenuse, then c2=a2+b2.
  10. 17. Ratio of the change in the y-coordinates (rise) to the corresponding change in the x-coordinates (run) as you move from one point to another along a line.
  11. 18. Angles that have the same vertex, share a common side, and do not overlap.
  12. 19. The x-coordinate at which a graph intersects the x-axis.
Down
  1. 1. Set of the first numbers or the ordered pairs in a relation.
  2. 2. Sum of the areas of all the faces of a three-dimensional figure.
  3. 5. (of a linear equation)Linear equation of the form ax + by = c where a is greater than or equal to zero and a and b are real numbers.
  4. 6. Equation of the form y = mx + b where m is the slope and by is the y-intercept.
  5. 10. Grade
  6. 14. Surface area of a cone, cylinder, prism, or a pyramid, not including the bases.
  7. 15. System of writing numbers using multiplication and powers of ten.
  8. 17. Graph that shows the general relationship between two sets of data.