Plotting Straight-Line Graphs (Edexcel GCSE Maths): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
Two main methods for plotting straight-line graphs
Two main methods for plotting straight-line graphs
Table of 3 values method and , (intercept) method
Table of 3 values method: difficulty level
Table of 3 values method: difficulty level
Often considered the easiest approach
Table of 3 values method: the 3 steps
Table of 3 values method: the 3 steps
Choose 3 -values, calculate -values, plot & draw line
Definition of collinear points
Definition of collinear points
Points that form a straight line
Action if 3 points don't form a straight line
Action if 3 points don't form a straight line
Check your calculations - something has gone wrong
Alternative name for , method
Alternative name for , method
Intercept method
Definition of -intercept
Definition of -intercept
Where the line crosses the -axis
Definition of -intercept
Definition of -intercept
Where the line crosses the -axis
When , method is particularly effective
When , method is particularly effective
When equation is in form
Advantage of table of 3 values method
Advantage of table of 3 values method
Offers more security - can check if points are collinear
Advantage of , method
Advantage of , method
Faster method
Risk of , method
Risk of , method
One error in intercept means entire line is wrong