Question

One root of the quadratic equation 5

x

2 + k

x -7 = 0

is -1 complete the following activity to find the value of K

-1 is the root of quadratic equation 5

x

2

+ K

x -7 = 0

:. substitute

x = - 1 in the equating

:. 5 x + k x - 7 = 0

:. - -7 = 0

:. - k = 0 k =
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Answer 1

ok bye I hope you bmhxgxb