Question

If x=5 then find the value of 'k' in eqn kx^2 - 14x - 5 = 0​

Answer 1

Step-by-step explanation:

If x=5

$k {x}^{2} - 14x - 5 = 0$

$k ({5}^{2}) -( 14 \times 5) - 5 = 0$

$25k - 70 - 5 = 0$

$25k = 75$

$k = 3$