iii). *
K1
and use
N1
8
3 a).
P1
Equation of OA and use to find gradient
Or other valid method K1
Substitute into equation
K1
N1
b). Use point and
OR other valid method
K1
N1
6
4 Find / construct equation
N1
N1
or P1
Substitute or into
or K1
Use formulae
Or other valid method
K1
N1
N1 7