Question

What is the constant of variation, k, of the line y = kx through (3,18) and (5,30)?

Answer 1

Answer:

k = 6

Step-by-step explanation:

y = kx

At (3, 18)

18 = k(3)

k = 18 ÷ 3

k = 6

The constant, k, is 6

Check:

At point (5, 30)

30 = k(5)

k = 30 ÷ 5 = 6 (verified)