NDA || Mathematics || Algebra || Quadratic_Equation

If the roots of equation are in the same ratio as those of the equation , then which one of the following is correct?

If the graph of a quadratic polynomial lies entirely above x-axis, then which one of the following is correct?

If and are the roots of the equation with , then the value of is

If  has integer roots, where k is a prime number, then the value (s) of k is ( are)

Let ‘a’ & ‘b’ be the roots  with a>b . If  for  then the value of