Answer:
y = 7x-6
Step-by-step explanation:
The first step is to find the slope, using the slope formula:
m = ( y2-y1)/(x2-x1)
= ( 8-1)/(2-1)
= 7/1
= 7
The slope intercept form of a line is
y = mx+b where m is the slope and b is the y intercept
y = 7x+b
Substituting a point in for x and y
1 = 7(1) + b
1 = 7+b
-6 =b
y = 7x-6