Question

What is the equation for the

following table:
X Y
1 -5
2 -7
3 -9
4 -11

Answer 1

-7 - (-5) / 2 - 1 = -2/1

y= mx+b

-5= -2(1) + b

-5 = -2 + b

b = -3

equation: y= -2x-3