8th Grade Math Vocabulary

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Across
  1. 3. A monomial or sum of monomials
  2. 8. The form of a line written as y-y1=m(x-x1)
  3. 12. Two lines that intersect at a right angle
  4. 14. A number expressed as the product of N (which is between 1 and 10) and a power of 10.
  5. 15. Two or more lines that never intersect
  6. 16. A set of equations with the same variables
Down
  1. 1. The x-coordinate of a point where a graph crosses the x-axis
  2. 2. The form of a line written as y=mx+b
  3. 4. The y-coordinate of a point where a graph crosses the y-axis
  4. 5. The sum of three monomials
  5. 6. A monomial that is just a real number
  6. 7. How a quantity is changing with respect to a change in another quantity
  7. 9. The ratio of the change in y-coordinates to the change in x-coordinates from one point to another
  8. 10. Plugging one equation into another to find the solution to a system of equations
  9. 11. The sum of two monomials
  10. 13. The use of addition or subtraction to eliminate one variable and solve a system of equations