A car travels 274 km. It travels an average of 9.1 km on a litre of petrol. Write down a calculation you could do to find the nu
mber of litres used. please step by step explanation 
2 answers:
You might be interested in
ANSWER
The coordinates of the image are (2,2)
EXPLANATION
The mapping for a reflection across the line y=k is :
We want to find the image of the point (2,-4) after a reflection in the line y=-1.
In this case k=-1.
This simplifies to,
Hence the image is (2,2)