Gradients of lines (Edexcel GCSE Maths): Flashcards
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12 cards from this deck
What does gradient of a line measure?
What does gradient of a line measure?
How steep the line is
Formula for gradient
Formula for gradient
rac{ ext{Distance up}}{ ext{Distance across}}
'Distance up' in gradient formula
'Distance up' in gradient formula
Vertical distance line rises or falls
'Distance across' in gradient formula
'Distance across' in gradient formula
Horizontal distance along the line
Direction of line with positive gradient
Direction of line with positive gradient
Slopes upward from left to right
Variable relationship with positive gradient
Variable relationship with positive gradient
As one increases, the other also increases
Direction of line with negative gradient
Direction of line with negative gradient
Slopes downward from left to right
Variable relationship with negative gradient
Variable relationship with negative gradient
As one increases, the other decreases
Gradient value of horizontal line
Gradient value of horizontal line
Zero
Why use large triangles for gradient calculations?
Why use large triangles for gradient calculations?
Gives more accurate results
Why check scales when calculating gradients?
Why check scales when calculating gradients?
Grid squares may represent different values on each axis
What does gradient represent in real contexts?
What does gradient represent in real contexts?
Rate of change between two variables