Question

If the value of the expression x2-5x+k for=0is5, then the value of k is_____<br />
Ans ❓

option A 2 option B 3 option C 4 optionD 5 ​

Answer 1

Answer:

2 2

−5(2)+k=0

(since 2 is one root)

4−10+k=0k=6

equation will be x 2

−5x+6=0

(x−3)(x−2)=0

x=3,2

Hence, other root of the equation is 3.