Question

3) If one of the roots of the
quadratic equation kx?-14x-5 =
O, is 5 then what is the value of
k?
O (C)-3
O (D-1
O (B)1
O (A) 3​

Answer 1

Answer:

k = 3

Step-by-step explanation:

kx²-14x-5=0

one of the roots is 5

X=5

k(5)²-14(5)-5=0

25k-70-5=0

25k-75=0

k=75/25

k=3/1

K = 3

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