Answer:
2/3
Explanation:
Firstly we get the y value at both x points
At x = 1
y = 2/3 + 1/2 = (4 + 3)/6 = 7/6
At x = 2
y = 4/3 + 1/2 = (8 + 3)/6 = 11/6
The slope formula is
m = (change in y)/change in x
The slope is thus;
(11/6-7/6)/(2-1) = 4/6 = 2/3