MATHEMATICS

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Across
  1. 3. A FIXED VALUE
  2. 5. IT IS A QUADRATIC POLYNOMIAL
  3. 7. WITH DEGREE FOUR
  4. 8. MADE UP OF 3 LINE SEGMENTS
  5. 9. FORMULAE IS M^2+1,M^-1
Down
  1. 1. NUMBERS ALL NUMBERS ARE
  2. 2. WHAT IS x+7=O
  3. 4. WITH ONE TERM IN AN EXPRESSION
  4. 6. AN UNCHAGED VALUE