Question 8
VariationIf y varies directly as x, find the constant of the variation when y = 12 and x = 4.
- A.8
- B.6
- C.5
- D.3
Show the answer and explanation
Answer: D (3)
Explanation
y = kx, so k = y/x = 12/4 = 3.
If y varies directly as x, find the constant of the variation when y = 12 and x = 4.
Answer: D (3)
y = kx, so k = y/x = 12/4 = 3.