Real-life graphs (AQA GCSE Maths): Flashcards
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Practise the cards
10 cards from this deck
What do real-life graphs represent?
What do real-life graphs represent?
Costs, pricing, and relationships between quantities
What to always check on graphs first
What to always check on graphs first
The scale on both axes
What does gradient mean in real-life graphs?
What does gradient mean in real-life graphs?
Rate of change - how much increases when increases by 1 unit
Gradient meaning in cost graphs
Gradient meaning in cost graphs
Cost per unit (per mile, per minute, per item)
Fixed cost + variable cost graph feature
Fixed cost + variable cost graph feature
Starts above zero, slopes upward
Simple variable cost graph feature
Simple variable cost graph feature
Starts at zero (origin), slopes upward
What does the -intercept represent in cost graphs?
What does the -intercept represent in cost graphs?
Fixed costs
What straight-line graphs indicate
What straight-line graphs indicate
Constant rate/gradient throughout
Taxi fare pricing structure
Taxi fare pricing structure
Fixed charge + cost per mile
Effect of scale reading errors
Effect of scale reading errors
Lead to wrong answers