Identify the y intercept of the line?

B I hope this helped!

Step-by-step explanation:

(0,6)

Step-by-step explanation:

The y-intercept is where the line crosses the y-axis, so where x =0.

Here, the y-intercept is (0,6).

a+b=2

Step-by-step explanation:

start by combining all the terms that are possible: (a+b)^2 - 4 = 0

move -4 to the other side:  (a+b)^2= 4

Find the square root of both sides: a+b=2