6. (09.02) Use the Completing the Square Method to write x2 - 6x + 7 = 0 in the form (x - a)2 = b, where a and b are integers. (1 point)
O (x – 4)2 = 3
O (x - 1)2 = 4
O (x - 3)2 = 2
O (x - 2)2 = 1

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30