Question

I'm struggling with these 3 questions. 25 points available if correct.

Answer 1

See explanation for answers

Explanation:

13.

`y=mx+b\\8=-3(2)+b\\8=-6+b\\14=b\\y=-3x+14`

14.

`y=mx+b\\4=-(2)/(7)(3)+b\\4=-(6)/(7)+b\\4(6)/(7) =b\\y=-(2)/(7) x+4(6)/(7)`

15.

`y=mx+b\\1=(3)/(4)(7)+b\\1=(21)/(4)+b\\-4.25 =b\\y=(3)/(4)x -4.25`