The first one is 4, and the second one is 3.7
The axis of symmetry is -2
The slope-intercept form:

m - slope
b - y-intercept
We have the points (1, -5) and (9, 11). Substitute:

Therefore we have

Put the coordinates of the point (1, -5) to the equation:

<h3>Answer: y = 2x - 7</h3>