Solution:
Given the equation:

To sketch the graph of the above equation,
step 1: Evaluate the value of y, when x equals zero
Thus,

step 2: Evaluate the value of x, when y equals zero.
Thus,

step 3: Plot the obtained points in steps 1 and 2 on a graph.
Thus, the points are

The graph of the equation is as shown below:
MIdpoint: The midpoint (x,y) between two points is expressed as

Given the points (-1,4) and (-4,1), we have

Thus, the midpoint of the points (-1,4) and (-4, 1) is evaluated as

Hence, the midpoint between (−1,4) and (−4,1) is (-2.5, 2.5).