GCSE Maths Practice: direct-proportion

Question 7 of 10

Find y when x = 10.

‹ ›

\( \begin{array}{l}\text{y is directly proportional to x.} \\ \text{When x = 6, y = 18. Find y when x = 10.}\end{array} \)

Choose one option:

Use y = kx formula.

Compute using y = kx.