Which expressions can be used to find the coordinates of the midpoint of line segment P Q with endpoints P 3 comma negative 1 and Q negative 7 comma negative 6 ? Choose three correct answers.
Answer
A
the fraction with numerator negative 1 minus 6 and denominator 2 can be used to find the y -coordinate of the point.
B
the fraction with numerator 3 plus 7 and denominator 2 can be used to find the x -coordinate of the point.
C
1 half times open paren negative 6 minus 1 close paren minus 1 can be used to find the y -coordinate of the point.
D
negative 5 halves minus 1 can be used to find the y -coordinate of the point.
E
1 half times open paren negative 7 minus 3 close paren plus 3 can be used to find the x -coordinate of the point.