What is the positive solution to the equation 0 = -x2 + 2x + 1?
Quadratic formula: x= -b/b2 - 4ac

2.41421

Step-by-step explanation:

0 = -x^2 + 2x + 1

plug in into quadratic formula

x=

x=

{-0.414214,2.41421}

2.41421

hope this helped!

C is your answer. guy up there made no sense.

Step-by-step explanation:

vote brainlest to let the people know its right

point a is the center of this circle.

the ratio of the lengths of (ef/bc) and (ad/ih) is 2: 1.

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square