Question

What is the equation of the line that passes through the point(1,7) and has a slope of -1

Answer 1

y = -1x + 8

Explanation:

(1,7)

y = mx + b

7 = -1 × 1 + b

solving for b:

b = 7 - (-1)(1)

b = 8

Therefore,

y = -1x + 8