IGCSE Unit 1 Chapter 2 Summary questions

Write an expression in terms of n for:

The sum of a number and 12

• 12n

• n + 12

• n - 12

• 12 - n

Write an expression in terms of n for:

Twice a number minus four

• 2n - 4

• 2n + 4

• 2(n - 4)

• 2(n + 4)

Write an expression in terms of n for:

A number multiplied by x and then squared

• x² x n

• n² x x

• (nx)²

• n² x x

Write an expression in terms of n for:

The square of a number cubed.

• (n)²

• (n³)²

• (n)³

• (n²)³