Mathh

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Across
  1. 1. alphabets used to replace unknown numbers
  2. 4. x²+2x+7 is a ___ equation
  3. 5. a line segment that joins a vertex to the mid-point of the side that is opposite to that vertex
  4. 6. shape with eight sides
  5. 7. a line segment that starts from the vertex and meets the opposite side at right angles
  6. 8. a quadrilateral with all sides equal but not diagonals
  7. 11. polynomials of degree 1
  8. 12. (0,0) on a graph is ___
Down
  1. 2. a triangle with all sides the same is a __ triangle
  2. 3. the __ of 6 and 72 is 6
  3. 9. formed when a1/b1 is not equal to a2/b2
  4. 10. shapes either open upward or open downward formed on a graph by a quadratic pol.