Question

fill in the blank
If x=2 is a solution of x^2 -4x + k =0 ,then the value of k =(_____)
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Answer 1

Answer:2×2×2-4×2+k=0

8-8+k=0

0+k=0

K=0

Step-by-step explanation:

Answer 2

Answer:

(2)^2 - 4 (2) + k = 0

4 - 8 + k = 0

- 4 + k = 0

k = 4

hope it helps

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