Question

if one of the zeroes of the quadratic polynomical (K-1)×
${x}^{2} + kx + 1$
is(-3),then the value of k is?​

Answer 1

Step-by-step explanation:

X = -3

( k - 1 ) = (-3)2 + k (-3) + 1

= 9 + (-3k ) + 1

9 = -3k + 1

9-1 = -3k

8 = -3k