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Edexcel IGCSE Math A 2.1 use of symbols

Use this symbol-skills page to simplify powers, combine algebraic terms and interpret letters as variables before moving into formulae or equations.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Simplify algebraic products and powers such as brackets, repeated variables and indices.
  • Use index laws with multiplication, division, powers, zero indices and fractional powers.

Covered syllabus points

2.1.A Symbols in equations, expressions and formulae2.1.B Generalised arithmetic rules in algebra2.1.C Integer index notation2.1.D Index laws

2.1 Use of symbols question 1

[Maximum number: 2]

Here is a number machine.

Figure for Question 2.1 Use of symbols question 1 — Edexcel IGCSE Math A Foundation

When the input is 7 the output is 60

Write down an expression, in terms of x, for the output.

2.1 Use of symbols question 2

[Maximum number: 2]

Question (a)

(a)

Simplify c×c×cc \times c \times c

[ 1 ]

Question (b)

(b)

Simplify 12d×3e12 d \times 3 e

[ 1 ]
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