x^2 - 6 x + (6/2)^2 = 7 + (6/2)^2
x^2 - 6 x + 9 = 7 + 9
(x-3)^2 = 16
(x-3) = 4 or (x-3) = -4
x = 7 or x = -1
check
1 + 6 = 7
49 - 42 = 7
31. Solve the equation by completing the square. Round to the nearest hundreth if necessary.
x^2 - 6x = 7
x = 7, 1
x = -7, 1
x = -7, -1
x = 7, -1
4 answers
okay thanks, I was thinking that.
You are welcome :)
No thinking, just doing and CHECKING
No thinking, just doing and CHECKING
okay...haha I'll do it...then check!! thanks Damon!
1 answer