Common Algebra Equations

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Across
  1. 1. y=mx+b
  2. 3. x to the third power is the same as x _____
  3. 4. sin(x) is the same as cos(x+(pi/___)
  4. 5. the best teacher ever
  5. 6. removing parentheses and combining like terms
  6. 7. y=x^2 is one of these
  7. 8. Do the opposite of this in reverse order find solution
Down
  1. 2. (x^2)+ (y^2) = r^2, r stands for_____
  2. 3. simmilar to a sine wave, but offset by pi/2
  3. 6. _____ is the rise over the run