Measuring the Rate of Change at a Point on a Curve (AQA A-Level Biology): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Definition of a tangent line on a curve
Definition of a tangent line on a curve
Line that touches curve at exactly one point
What a tangent represents at a point on a curve
What a tangent represents at a point on a curve
Instantaneous rate of change at that point
Formula for gradient of a tangent line
Formula for gradient of a tangent line
How tangent should touch curve at point of interest
How tangent should touch curve at point of interest
Should touch only, not cross the curve
Shape used to measure gradient from tangent line
Shape used to measure gradient from tangent line
Right-angled triangle with hypotenuse on tangent
What gradient of tangent equals
What gradient of tangent equals
Rate of change at that point on curve
Meaning of negative gradient on a curve
Meaning of negative gradient on a curve
Indicates decreasing values
Meaning of positive gradient on a curve
Meaning of positive gradient on a curve
Indicates increasing values
What must be included in rate of change answer
What must be included in rate of change answer
Appropriate units
Why tangent line method works for rate measurement
Why tangent line method works for rate measurement
Tangent has same gradient as curve at contact point