Question 14
Variationy is inversely proportional to x and y = 4 when x = ½. Find x when y = 10.
- A.1/10
- B.1/5
- C.2
- D.10
Show the answer and explanation
Answer: B (1/5)
Explanation
y = k/x, so k = 4 × ½ = 2. When y = 10, x = 2/10 = 1/5.
y is inversely proportional to x and y = 4 when x = ½. Find x when y = 10.
Answer: B (1/5)
y = k/x, so k = 4 × ½ = 2. When y = 10, x = 2/10 = 1/5.