Hints Flashcards
1
Q
What do you do if there isn’t a picture?
A
Draw a diagram
2
Q
How do you find the rate of…
A
Differentiate
3
Q
How to find whether maximum or minimum?
A
2nd differential
4
Q
How do you find magnitude?
A
Pythagoras theorem
5
Q
How to find area under a curve?
A
Integrate
6
Q
Algebraic expression for even numbers?
A
2n, 2n+2, 2n+4
7
Q
Algebraic expression for odd numbers?
A
2n-1, 2n+1, 2n+3
8
Q
What do you use when asked for points of intersection?
A
Simultaneous equations
9
Q
Graph transformations?
A
HIVO HOVIS
Horizontal inside vertical outside
Horizontal opposite vertical is same
10
Q
Stationary points?
A
F’(x)= 0
11
Q
Increasing function?
A
F’(x)>0
12
Q
Decreasing function?
A
F’(x)<0
13
Q
Crosses x axis?
A
Y=0
14
Q
Crosses Y axis?
A
x=0
15
Q
Straight line model
A
y=mx+c
y-y(1)=m(x-x(1))