Real-Life Graphs (Cambridge (CIE) IGCSE Maths: Core): Flashcards
Exam code: 0580 & 0980
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- FrontConversion Graphs
What is a conversion graph?
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What is a conversion graph?
A conversion graph shows how to convert from one quantity to another quantity.
Examples of quantities you could convert using a graph include:
US dollars ($) and GB Pounds (£)
ºC and ºF
Number of miles travelled and litres of petrol used
How do you use a conversion graph?
To convert one quantity to another quantity using a conversion graph:
Find the value on the axis for the given quantity.
Draw a straight line (horizontal or vertical) from the value to the graph.
Draw a straight line from this point on the graph to the other axis.
Read off the value on this axis.
What does a distance-time graph show?
A distance-time graph shows how the distance of an object from a point changes over time.
What does a horizontal line on a distance-time graph represent?
A horizontal line on a distance-time graph represents an object that is not moving (it is stationary).
True or False?
If a distance-time graph has a positive gradient then the object is moving further away from the original point.
True.
If a distance-time graph has a positive gradient then the object is moving further away from the original point.
What does the gradient of a distance-time graph represent?
The gradient of a distance-time graph represents the speed at which the object is moving.
True or False?
If a distance-time graph has a straight line then the speed of the object is increasing.
False.
If a distance-time graph has a straight line then the speed of the object is constant.
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