Class X

The zero of the polynomial p(x) = ax + b is
  1. b/a
  2. a/b
  3. -b/a
  4. -a/b
A real number ‘k’ is said to be a zero of a polynomial p(x), if p(k) =
  1. 2
  2. 3
  3. 1
  4. 0
If the graph of a polynomial intersects the x – axis at three points, then the number of zeroes =
  1. 3
  2. 0
  3. at least three
  4. at most three
If ‘α’ and ‘β’ are the zeroes of a quadratic polynomial ((ax)(ax))+bx+c, then α + β =
  1. -b/a
  2. -c/a
  3. b/a
  4. c/a
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