math

123456
Across
  1. 2. a surface of which one end or side is at a higher level than another; a rising or falling surface.
  2. 5. a relationship or expression involving one or more variables.
  3. 6. the part of mathematics in which letters and other general symbols are used to represent numbers and quantities in formulae and equations.
Down
  1. 1. each of a group of numbers used to indicate the position of a point, line, or plane.
  2. 3. is a variable in a given situation that could have the most significant impact on the outcome.
  3. 4. a collection of points whose coordinates satisfy a given relation.