Question

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

Answer 1

y = -x + 8

Explanation:

First, plug in the slope.

y = mx + b

y = -1x + b

y = -x + b

Then, plug in the point.

7 = -(1) + b

7 = -1 + b

8 = b