Question

1. if one of the zeroes of cubic polynomial x3+ax2+bx+c is 0 then the product of other two zeroes is?

2. the area of the rectangle whose vertices are (-2,0)( 5,0 )(5,4) and (-2,0) taken in order is?
12,28, 24 or 32

3. if one of the zeroes of cubic polynomial x3+ax2+bx+c is 0 then the product of other two zeroes is?

4. no of polynomials having 3 and -7 zeroes are





answer all the questions correctly for 15 points​

Answer 1

Step-by-step explanation:

Let a, p and y be the zeroes of the given cubic polynomial p(x). Hence, product of the other two roots is 1 -a + b. Since, -1 is one of the zeroes of the cubic polynomial f(x) = x2 + ax2 + bx + c i.e., (x + 1) is a factor of f{x).