Algebra Crossword Puzzle

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Across
  1. 3. The number indicating how many times to multiply a base number by itself
  2. 5. A mathematical statement of equality
  3. 8. A symbol representing an unknown quantity
  4. 9. An expression with multiple terms separated by addition or subtraction
  5. 10. The number multiplied by a variable
Down
  1. 1. The measure of steepness of a line
  2. 2. Equations that form a straight line when graphed
  3. 4. The point where a line intersects the x or y-axis
  4. 6. Equations involving a square term, such as x^2
  5. 7. Rewriting an expression as a product of its factors