Question

(l) x = 5 is a root of the equation Kx? - 14x – 5 = 0. Complete the following activity to find the
value of K​

Answer 1

Answer:

Put x = 5 in given equation

k(5)² - 14(5) -5 = 0

25k - 70 - 5 = 0

25k - 75 = 0

25k = 75

k = 75/25

k = 3