Respuesta :

Answer:

  (a)  (4, 5)

Step-by-step explanation:

The point-slope form of the equation for a line is ...

  y -k = m(x -h) . . . . . . where m is the slope and (h, k) is the point

Comparing this to

 y -5 = 1/2(x -4)

we see that k=5, m=1/2, h=4. Then the point is ...

  (h, k) = (4, 5)