Answer:
Step-by-step explanation:
(2 , 1) ; ( 3 , 2)
[tex]Slope =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\dfrac{2-1}{3-2} =\dfrac{1}{1}\\\\=1[/tex]
Equation of line: y = mx +b
y = 1x + b
Plugin x = 2 and y = 1 in the above equation
1 = 2 + b
1- 2 = b
b = -1
y = 1x - 1
