SOLUTION: y2 - 18y + 4 = 70 Line 1 y^2 - 18y = 66 Line 2 y^2 - 18y + 81 = 66 Line 3 (y - 9)^2 = 66 Line 4 y - 9 = ± √66 Line 5 y = 9 ± √66

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: y2 - 18y + 4 = 70 Line 1 y^2 - 18y = 66 Line 2 y^2 - 18y + 81 = 66 Line 3 (y - 9)^2 = 66 Line 4 y - 9 = ± √66 Line 5 y = 9 ± √66      Log On


   

Question 1024292: y2 - 18y + 4 = 70


Line 1
y^2 - 18y = 66
Line 2
y^2 - 18y + 81 = 66
Line 3
(y - 9)^2 = 66
Line 4
y - 9 = ± √66
Line 5
y = 9 ± √66
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
y2 - 18y + 4 = 70


Line 1
y^2 - 18y = 66
Line 2
y^2 - 18y + 81 = 66 ****** Add 81 to each side.
===========================
Line 3
(y - 9)^2 = 66
Line 4
y - 9 = ± √66
Line 5
y = 9 ± √66