Question

If one zero of polynomial x² -4x+k is 2, Then what is the value of k?

2

3

4

5


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Answer 1

Step-by-step explanation:

${1}^{2} - 4 \times 1 + k = 2 \\ 1 - 4 + k = 2 \\ k = 2 + 4 - 1 \\ k = 5 - 1 \\ k = 4$