If x varies inversely as y and y varies directly as Z, what is the...
MATHEMATICS
WAEC 2014
If x varies inversely as y and y varies directly as Z, what is the relationship between x and z?
- A. x \(\alpha\) z
- B. x \(\alpha \frac{1}{z}\)
- C. x \(\alpha z^2\)
- D. x \(\alpha \frac{1}{z^2}\)
Correct Answer: B. x \(\alpha \frac{1}{z}\)
Explanation
x \(\alpha \frac{1}{y}\)
y \(\alpha z\)
the relationship = x \(\alpha \frac{1}{z}\)
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