Solving equations (OCR GCSE Maths): Flashcards
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Practise the cards
13 cards from this deck
Linear equation definition
Linear equation definition
Equation where each term is a constant or constant × single variable
What does 'linear' mean in linear equations?
What does 'linear' mean in linear equations?
No powers or exponents (like ); straight-line equation
What does 'solving an equation' mean?
What does 'solving an equation' mean?
Finding value of unknown variable that makes both sides equal
Golden Rule for solving equations
Golden Rule for solving equations
Do the same operation to both sides to keep equation balanced
Aim when solving equations
Aim when solving equations
Unknown letter on one side, number on the other
What are inverse operations?
What are inverse operations?
Opposite operations that cancel each other out
Inverse of addition
Inverse of addition
Subtraction
Inverse of multiplication
Inverse of multiplication
Division
Inverse of squaring
Inverse of squaring
Square root
First step when equation has brackets
First step when equation has brackets
Expand the brackets
How to eliminate fractions in equations?
How to eliminate fractions in equations?
Multiply both sides by the denominator
How to check your solution is correct?
How to check your solution is correct?
Substitute answer back into original equation
Order to apply inverse operations
Order to apply inverse operations
Reverse order of BIDMAS (work backwards)