extra Flashcards
1
Q
differentiation from first principle formula
A
can also be gradient of a chord
point a - x, f(x)
point b - (x+h), f(x+h)
2
Q
PLUS C
A
3
Q
surds and fractions
A
rationalise the individual fractions
4
Q
x squared
A
think of negatives
5
Q
if saying x squared is always positive
A
MUST SAY GREATER THAN OR EQUAL TO 0
6
Q
obtuse angle - need to switch between sin and cos
A
draw graphs - think negative
7
Q
parallelograms
A
either 2 sets of paralell sides
or
2 sets of sides with same length
8
Q
point of inflection (non stationary)
A
gradient is greatest
