Consider the geometric sequence -2, 4, -8,… select all that apply.

a
the common ratio is 2.

b
the 5th term of the sequence is -32.

c
the 8th term is -2(-2)^7

d
the 9th term is greater than the 10th term.

e
the 7th term is 4 times the 5th term.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.