Question

What is the equation of a line passing through (-3, 7) and having a slope of -1/5.

Answer 1

M = - 1/5
y = m x + b
7 = - 1/5 · ( - 3 ) + b
7 = 3/5 + b
b = 7 - 3/5
b = 35/5 - 3/5
b = 32/5
The equation is:
y = - 1/5 x + 32/5   or : y = - 0.2x + 6.4