Real-Life Graphs (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are the two main components of most billing structures?
What are the two main components of most billing structures?
Fixed charge and cost per unit
What is a fixed charge in a billing structure?
What is a fixed charge in a billing structure?
A constant amount paid regardless of usage
On a billing graph, what does the horizontal axis typically show?
On a billing graph, what does the horizontal axis typically show?
Usage
What does the horizontal section of a billing graph represent?
What does the horizontal section of a billing graph represent?
The fixed charge or included allowance
What does the sloped section of a billing graph show?
What does the sloped section of a billing graph show?
Cost per unit after allowance exceeded
How do you find the cost per unit from a billing graph?
How do you find the cost per unit from a billing graph?
Calculate gradient of sloped section
What is the formula for calculating gradient?
What is the formula for calculating gradient?
If cost increases by £11 when usage increases by 19 GB, what is the cost per GB (to 2 d.p.)?
If cost increases by £11 when usage increases by 19 GB, what is the cost per GB (to 2 d.p.)?
£0.58
What does the gradient represent in a billing graph?
What does the gradient represent in a billing graph?
Y-axis units per x-axis unit
What graph pattern appears when liquid is poured from a container with straight sides at constant rate?
What graph pattern appears when liquid is poured from a container with straight sides at constant rate?
Steady, straight-line decrease
For a container narrower at the top, how does liquid level fall when poured at constant rate?
For a container narrower at the top, how does liquid level fall when poured at constant rate?
Quickly at first, then slowly
What does a steeper slope indicate on a real-life graph showing change over time?
What does a steeper slope indicate on a real-life graph showing change over time?
Faster change