Advanced

Question 1

What is the amplitude of a trig curve?

Answer 1

ktrig(ax-b) + c

|k|

Question 2

What is the first step to finding the tangent of a curve?

Answer 2

Differentiate curve to find gradient

Question 3

When is a function even?

Answer 3

f(x)=f(-x)

Question 4

When is a function odd?

Answer 4

f(-x)=-f(x)

Question 5

When is a particle at rest?

Answer 5

When v=0

Question 6

What is the order of transformation?

Answer 6

Horizontal dilation
Horizontal translation
Vertical dilation
Vertical translation

Question 7

How do you find the period of a sin or cos curve?

Answer 7

ktrig(ax-b) + c
2π/a

Question 8

How do you find the period of a tan curve?

Answer 8

ktrig(ax-b) + c
π/a

Question 9

How do you find the centre of a trig curve?

Answer 9

ktrig(ax-b) + c
c

Question 10

How do you find the area between two graphs?

Answer 10

Integrate (graph on top - graph underneath)

Question 11

What is the formula for the least square regression line?

Answer 11

y= A + Bx

Question 12

When are two events independent?

Answer 12

P(A|B) = P(A)