If 2 is a root of the quadratic equation x2 - 5x + k = 0, what is the value of k?
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Solution :
Given Quadratic equation is
x² - 5x + k = 0
and 2 is a root of above equation.
Therefore ,
we substitute x = 2 , in the equation,
we get
2² - 5 × 2 + k = 0
=> 4 - 10 + k = 0
=> -6 + k = 0
=> k = 6
•••••
Given Quadratic equation is
x² - 5x + k = 0
and 2 is a root of above equation.
Therefore ,
we substitute x = 2 , in the equation,
we get
2² - 5 × 2 + k = 0
=> 4 - 10 + k = 0
=> -6 + k = 0
=> k = 6
•••••
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0
Answer:
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