Question

1. If one root of the quadratic equation
x? - 7x + k=0 is 2, find the value of k.​

Answer 1

Answer:

${x }^{2} - 7x + k = 0 \\ \\ \\ x = 2 \\ \\ \\ {2}^{2} - 7(2) + k = 0 \\ \\ \\ 4 -1 4 + k = 0 \\ \\ \\ - 10 + k = 0 \\ \\ \\ k = 10$

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Answer 2

answer:

x=2

x^2-7x+k=0

2^2-7(2)+k=0

4-14+k=0

-10+k =0

k=10

Step-by-step explanation:

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