When the solution to x2 − 11x + 5 is expressed as 11 plus or minus the square root of r, all over 2, what is the value of r?
x equals negative b plus or minus the square root of b squared minus 4 times a times c, all over 2 times a.
2
5
101
141

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?