Question

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

Answer 1

Answer:

(D)6

Step-by-step explanation:

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Answer 2

Y is 18 so 18=3k
k=18/3
k=6 for (3,18)
for (5,30)let's see
y=30
30=5k
k=30/5
k=6