Card 1 of 20
What does a positive gradient show about yyy as xxx increases?
A
For A=(a,f(a))A=(a,f(a))A=(a,f(a)) and B=(x,f(x))B=(x,f(x))B=(x,f(x)), the chord gradient is f(x)−f(a)x−a\boxed{\frac{f(x)-f(a)}{x-a}}x−af(x)−f(a).
B
yyy increases.
C
It produces 00\frac{0}{0}00, which is undefined.
D
666
Card 1 of 20
1.7.2 Gradient of the tangent at a point Flashcards
20 flashcards on OCR A Level Maths 1.7.2 Gradient of the tangent at a point: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.