polynomials

If one of the zeros of quadratic polynomial (k-1)x²+kx+1 is -3, then the value of k is

• 4/3

• -4/3

• 2/3

• -2/3

if 1 is a zero of polynomial p(x)=ax² -3(a-1)-1, then the value of a is

• 2

• 3

• 1

• -2

Sum of the zeros of the polynomial x²+7x+10 are

• 7

• -7

• 10

• -10

The zeros of the quadratic polynomial x² +99x+127 are

• Both Positive

• Both Negative

• One Positive and one negative

• Both Equal

A quadratic polynomial whose zeros are -3 and 4 are

• x²-x+12

• x² +x+12

• x²/2-x/2-6

• 2x²+2x-24

If one of the zeroes of the quadratic polynomial (k – 1) x² + kx + 1 is – 3, then the value of k is

A quadratic polynomial, whose zeroes are -3 and 4, is

• x²- x + 12

• x² + x + 12

• None of these

• Can’t be said.

If ∝ , β are the zeroes of tue polynomial f(x)= x² + x +1 then (∝+1)(β+1)

• ∝β + ∝ +β

• ∝ +β +1

• 3

• -1

If ∝ , β are the zeroes of x² +7x +10 then ∝β

• -7

• 7

• 10

• -10