JAMB - Mathematics (2017 - No. 32)
y is inversely proportional to x and y is 6 when x = 7. Find the constant of the variation
47
42
54
46
解释
Y ∝ \(\frac{1}{2}\)
Y = 6, X = 7
Y = \(\frac{k}{x}\) where k is constant
6 = \(\frac{k}{7}\)
k = 42
Y = 6, X = 7
Y = \(\frac{k}{x}\) where k is constant
6 = \(\frac{k}{7}\)
k = 42