algebra

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Across
  1. 6. the bouncing back of light, sound, or heat waves from a surface, producing an image (like in a mirror) or returning energy
  2. 7. can't be written as a fraction
  3. 8. a concise, memorable statement expressing a general truth, fundamental principle, or rule of conduct
Down
  1. 1. Desmos
  2. 2. something that is, resembles, or is arranged in a straight line
  3. 3. line- a straight or curved line on a graph that indicates the general direction
  4. 4. can be written as a fraction
  5. 5. the steepness, incline, or decline of a line or surface, calculated as the ratio of vertical change