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)
Just divide 30 by 6 and you get b=5
Answer:
X intercept is (-1,0)
Y intercept is (0,2)
Step-by-step explanation:
Answer: 1:50
The scale factor is 5/250 = 1/50