Real-Life Graphs (Edexcel GCSE Maths): Flashcards
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Practise the cards
12 cards from this deck
What are the two main components of billing structures?
What are the two main components of billing structures?
Fixed charge and cost per unit
What is a fixed charge?
What is a fixed charge?
Constant amount paid regardless of usage
What is cost per unit?
What is cost per unit?
Cost that varies with actual consumption
Horizontal section on billing graph represents
Horizontal section on billing graph represents
Fixed charge or included allowance
Sloped section on billing graph represents
Sloped section on billing graph represents
Cost per unit after allowance exceeded
Formula for gradient
Formula for gradient
What does gradient represent?
What does gradient represent?
Y-axis units per x-axis unit
Graph pattern: straight-sided containers
Graph pattern: straight-sided containers
Steady, straight-line decrease
Graph pattern: narrower at top containers
Graph pattern: narrower at top containers
Falls quickly first, then more slowly
Graph pattern: narrower at bottom containers
Graph pattern: narrower at bottom containers
Falls slowly first, then more quickly
What does a steeper slope indicate?
What does a steeper slope indicate?
Faster rate of change
What does a gentler slope indicate?
What does a gentler slope indicate?
Slower rate of change