9. Find the value of b so that the slope of the line passing through the points A(5, - 8) and B(- 1, b) is -2
1 answer:
Answer:
The value of b is 4.
Step-by-step explanation:
First, find the y-intercept.
y = mx + b
-8 = -2(5) + b
-8 = -10 + b
2 = b
So now our equation is y = -2x + 2. Now plug in the values.
y = -2(-1) + 2
y = 4
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