Question

Consider the equation $y=\sqrt{2}x$. Which of the following is/are true?

• A. y is inversely proportional to x.
• B. The constant of proportionality is $\sqrt{2}$
• C. y is directly proportional to x.
• D. y is directly proportional to square root of x.

Answer 1

Answer: (B), (C)

The correct options are
B

The constant of proportionality is $\sqrt{2}$

C

y is directly proportional to x.

Given $y=\sqrt{2}x$.

Thus, y is directly proportional to x with the constant of proportionality equal to $\sqrt{2}$