Question

Please help........................

Answer 1

Answer: k = 4

Explanation:

Since x = 7 is the perpendicular bisector, then it is equal distance from both of the endpoints, which makes it the x-value of the midpoint.

`(X_A+X_B)/(2)=X_(Midpoint)\\\\(10+k)/(2)=7\\\\10+k=14\\\\k=4`