Rearranging formulae (AQA GCSE Further Maths): Flashcards
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Practise the cards
12 cards from this deck
Subject of a formula
Subject of a formula
Variable that stands alone on one side of the equation
Golden rule when rearranging formulae
Golden rule when rearranging formulae
Do the same operation to both sides of the equation
Operations used in simple rearrangements
Operations used in simple rearrangements
Inverse operations like division and multiplication
Make the subject of
Make the subject of
Solutions when taking square roots
Solutions when taking square roots
Both positive and negative solutions usually exist
Which square root value for real-world lengths?
Which square root value for real-world lengths?
Only the positive value
When a variable appears multiple times, first step?
When a variable appears multiple times, first step?
Collect all terms containing that variable
After collecting terms with variable, next step?
After collecting terms with variable, next step?
Factorise
First step when rearranging formulae with fractions?
First step when rearranging formulae with fractions?
Multiply both sides by the denominator
Purpose of inverse operations in rearranging
Purpose of inverse operations in rearranging
To undo what's being done to the target variable
Inverse operation of multiplication
Inverse operation of multiplication
Division
Inverse operation of addition
Inverse operation of addition
Subtraction