Answer:
The correct option is 3.
Step-by-step explanation:
If a line passes through to points
and
, then the slope of line is

Given points are (4,-7) and (6,3).
The slope between given points is


On further simplification we get


Therefore the correct option is 3.
The answer is C. You can make a rectangle by putting the diagonals through the center anywhere, but if you want a square, you have to put the two diagonals perpendicular to each other and join their ends. See the diagram.
Answer:

Step-by-step explanation:
We are given the two functions:

And we want to find:

This is equivalent to:

By substitution:

Rearranging yields:

Combine like terms:

Hence:
