The value of constant of variation "k" is [tex]k = \frac{8}{5} \text{ or } 1.6[/tex]
Solution:
Given that the direct variation is:
y = kx ----- eqn 1
Where "k" is the constant of variation
Given that the point is (5, 8)
To find the value of "k" , substitute (x, y) = (5, 8) in eqn 1
[tex]8 = k \times 5\\\\k = \frac{8}{5}\\\\k = 1.6[/tex]
Thus the value of constant of variation "k" is [tex]k = \frac{8}{5} \text{ or } 1.6[/tex]
