Question

Please help me with this math problem.

Answer 1

Answer:

b = 2

Step-by-step explanation:

Using the midpoint formula

(2, 1) = [ $\frac{1}{2}$(- 4 + 8), $\frac{1}{2}$(b + 0) ]

considering the y-coordinate, then

$\frac{1}{2}$ b = 1 ( multiply both sides by 2 )

⇒ b = 2