CAIE IGCSE Mathematics Extended E2.1.2 Substitute numbers into expressions & formulas.

Practise substituting positive and negative values into formulas, functions and tables to calculate missing values accurately.

Syllabus
2028–2030
Objective
E2.1.2
Level
Extended

Exam points

  • substitute given values into formulas with powers and negative numbers
  • complete function or value tables by evaluating expressions for each x-value

E2.1.2 Substitute numbers into expressions and formulas. question 1

y=px2+ty=px^2+t

Find the value of y when p=3, x=2 and t=-13.

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