Are these statements true or false ?
a)If the graph of a polynomial intersects the x-axis at exactly two points, it need not be a quadratic polynomial.
b) If two of the zeroes of a cubic polynomial are zero, then it does not have linear and constant terms
c) If all three zeroes of a cubic polynomial x3 + ax2 - bx + c are positive, then at least one of a, b and c is non-negative