Math Crossword

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Across
  1. 2. To have an exponent of 2
  2. 3. A letter used to represent a number we do not know
  3. 5. To find this you have to replace f(x) with the number zero.
  4. 7. A word that means multiplication
  5. 9. To have an exponent of 3
Down
  1. 1. A delicious treat that looks like a cupcake
  2. 4. A straight line
  3. 6. A word that means divide
  4. 8. A word that means addition