Question

A line with a slope of 1 passes through the point (4,2). What is its equation in

slope-intercept form

Answer 1

y = x -2

Explanation:

Equation of the line : y =mx + b

m = 1

y = 1x + b

Plugin x = 4 and y =2 in this equation

2 = 1*4 + b

2 -4 = b

b = -2

Equation: y = x - 2