math crossword

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Across
  1. 3. ax²+bx+c=0
  2. 5. 2 × 3 = 6
  3. 6. the part of mathematics that helps represent problems or situations in the form of mathematical expressions
  4. 7. the maximum and minimum point of a parabola
Down
  1. 1. 4 + 88= 92
  2. 2. it is a form of the "U" shape
  3. 4. b^2 - 4ac