(1,4) (6,-1) what is the y intercept of the line and how did you find it?

Step-by-step explanation:

(1,4) (6,-1)

1-6= -5

6--1= 7 its 7 because 6 minus negative 1 would be 7

-5/7  would be your slope

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y=mx+b

y= -5/7x+b

-1= -5/7(6)+b

-1= 6+b

you take those two numbers and subtract

5 is y intercept

y=x+5

it has to have an angle of 90 degrees