Simple.....
you have:
-3ab--->> a=-2 b=-5
Or-->>
-3(-2)(-5)
Simplify....
-3(10)
-30
Thus, your answer.
Answer:
y=3x-2
Step-by-step explanation:
The formula for slope is y=mx=b
You can find the slope by finding two points that lie on the line (1,1) & (0,-2)
The formula for slope is 
You plug the values in and you get 
Simplify and you get 3
The slope is 3
The y-intercept (b) is -2
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