Question

If one of the zeroes of the polynomial (k - 2)x2 - 2x - (k + 5) is 4 find the value of k

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

4  is a root / zero  of    polynomial  

        P(x)  =   (k-2) x²  - 2 x  - (k+5)

   =>  P(4) = 0

   =>  (k - 2) 4²  - 2 * 4 - (k+5)  = 0

   =>  15 k - 45 = 0    

             =>  k = 3