CROSSWORD PUZZLE

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Across
  1. 4. The ...... term of an arithmetic progression is known by alphabet"a"
  2. 5. x=2 is a ........ of x^2-4x+4=0
  3. 7. A statement that asserts the eqality of two expressions, that are connected by the equals sign"="
  4. 9. A straight line that touches the circle at only one point.
  5. 10. How many tangents can a circle have?
Down
  1. 1. A line that intersects the circle at two distinct points.
  2. 2. ........ progession is a sequence in which the difference between two consecutive terms is equal
  3. 3. The part of quadratic formula that signifies whether there are two,one or no solution.
  4. 6. A polynomial equation whose highest degree is two is called a .............equation
  5. 8. Circles that share the same centres are known as ............ Circles