How do you solve (x- 5/2) ^2 = 9/4?

1 Answer
Jun 27, 2016

x = 4 or x = 1

Explanation:

Find the square root of both sides, remembering that there can be a positive or negative root.

(x - 5/2)^2 = 9/4

sqrt((x - 5/2)^2) = +-sqrt(9/4)

x - 5/2 = 3/2 " or " x -5/2 = -3/2

x = 3/2+5/2 " or " x = -3/2+5/2

x = 8/2 " or "x = 2/2

x = 4 or x = 1