4. Find the value of y if distance between points A (2,-2) and B (-1, y)is 5.
by distance formula
d(A,B) = 165-2)*+(x2

4. Find the value of y if distance between points A (2,-2) and B (-1, y)is 5.
by distance formula
d(A,B) = 165-2)*+(x2 – 3:)*
ABP = [(-1) – 2] + [y–21
:: 52 = (-3)2 + (y + 2)?
.: 25) = 9 + (y + 2)
.:D=(y + 2)2
:: y +2=
:: y + 2 =
:: y = Oor y =
.. value of y is