W ∝ L2 and W = 6 when L = 4. If L = √17 find W

Assessment: JAMB UTME - Mathematics - 2007 Subject: General Mathematics

Question 1 Report

W ∝ L2 and W = 6 when L = 4. If L = √17 find W
Answer Details
From the given relation, we have W ∝ L^2. This means that W is directly proportional to L^2. We can write this as W = kL^2, where k is the constant of proportionality. To find the value of k, we can use the given values of W and L. We have W = 6 when L = 4. Substituting these values in the equation above, we get: 6 = k(4^2) 6 = 16k k = 6/16 k = 3/8 Now, we can use this value of k to find W when L = √17. Substituting these values in the equation W = kL^2, we get: W = (3/8)(√17)^2 W = (3/8)(17) W = 51/8 W = 6 3/8 Therefore, the answer is 6 3/8.

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