If x6 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the
equation?
the discriminant is 0.
the discriminant is 6.
the discriminant is positive.
the discriminant is negative.

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

Which of the following is not a subset of {1,2,3}?