Mathematics Subject Enrichment Activity

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Across
  1. 2. Graph of a quadratic equation is called ________.
  2. 5. ____________ determines the nature of the zeroes of a quadratic equation.
  3. 6. Places where the graph of the quadratic equation cut the x-axis gives the ______ of the equation.
  4. 8. An Arithmetic Progression(AP)is a progression in which the difference between two consecutive terms is _____________.
  5. 9. A line intersecting a circle in two points is called a _________.
Down
  1. 1. A circle can have ______ parallel tangents at the most.
  2. 2. The tangent at any point of a circle is _____________ to the radius through that point.
  3. 3. In an AP, if d = –4, n = 7, an = 4, then a is
  4. 4. the sum of the first 5 multiples of 3 is ___.
  5. 7. The lengths of tangents drawn from an external point to a circle are __________.