GCSE Maths Practice: forming-equations

Question 4 of 10

This question tests forming equations from rectangle perimeter.

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\( \begin{array}{l}\text{The perimeter of a rectangle is 10x + 12.} \\ \text{The length is 4x and the width is x + 2. Which equation represents the perimeter?}\end{array} \)

Choose one option:

\( 2(4x + x + 2) = 10x + 12 \) \( 4x + 2(x + 2) = 10x + 12 \) \( 2(4x + 2) = 10x + 12 \) \( 4x + x + 2 = 10x + 12 \)

Add length and width first, then multiply by 2. Equate to given perimeter.

Perimeter = 2 × (length + width). Substitute values and simplify.

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