Answer:
<h3>
B(7, 3)</h3>
Step-by-step explanation:
Point P(5, -1) being the midpoint of AB means that 

and 

9514 1404 393
Explanation:
Your different answers came about as a result of an error you made in the Pythagorean theorem calculation.
√(100 +100) = √200 = 14.142 . . . . same as vector calculation
The slope-intercept form:

m - slope
b - y-intercept
We have m = 2 and b = 3. Substitute:

Answer:
This is true
Step-by-step explanation: