9514 1404 393
Answer:
-6
Step-by-step explanation:
The y-intercept is represented by 'b' in the slope-intercept equation ...
y = mx +b
Solving for b, we find ...
b = y - mx
Using the given values, we find b to be ...
b = -9 -(-3)(1) = -6
The y-intercept is -6.
