Answer:
The value of y is [tex]5[/tex]
Step-by-step explanation:
we know that
The formula to calculate the slope between two points is equal to
[tex]m=\frac{y2-y1}{x2-x1}[/tex]
we have
[tex]A(1,3)\ B(2,y)[/tex]
Substitute the values
[tex]2=\frac{y-3}{2-1}[/tex]
[tex]2=y-3[/tex]
[tex]y=2+3=5[/tex]
