Algebra Criss-Cross

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Across
  1. 2. Change in y divided by change in x; rise/run.
  2. 4. Slope of the line through (2,3) and (7,4).
  3. 6. Replacing one expression for another.
  4. 9. Solve for y: y = x + 2 and 4x - 3y = 1..
  5. 10. Solve: 4(16 - n) = 4 + n - 5.
Down
  1. 1. Slope of the line through (1,2) and (5,5).
  2. 3. This undoes square root.
  3. 5. Solve: 2r + 9 = 5r - 15.
  4. 6. Someone who is fast and sings Anti-Hero.
  5. 7. Canadian singer.
  6. 8. Solve for x: y = x + 2 and 4x - 3y = 1.