Back to OCR Maths Higher November 2018 Paper 4 Home
​Q14: Answers – Paper 4 – November 2018

Helpful Links

Content:

• Direct & Inverse Proportion – Square or cubes (no square roots but still relevant)​

Quizzes:

• Direct & Inverse Proportion – Square, cubes & Roots (Q7 & Q8)

---

Mark Scheme

---

Working
y is inversely proportional to the square root of x.
y is 40 when x is 9.

Find a formula linking x and y.

---

Question

14) y is inversely proportional to the square root of x.
y is 40 when x is 9.

Find a formula linking x and y.

[3 marks]

Back to Question