1
QuizMultiple Choice
Figures in the Coordinate Plane (Sec 9-1)
Question 1 of 10 • PA-Geometry B-CR
On a coordinate plane, parallelogram K L M N shown. Point K is at (7, 7), point L is at (5, 3), point M is at (1, 1), and point N is at (3, 5).
Answer
A
The midpoint of both diagonals is (4, 4).B
The length of KM is and the length of NL is .
C
The slopes of LM and KN are both and NK = ML = .
D
The slope of KM is 1 and the slope of NL is –1.