1.
Find the slope of
for isosceles trapezoid
ABCD
.
A.
B.
C.
D.
Hint
2.
Kayla wants to prove that the quadrilateral
QRST
is a parallelogram. How should she begin proving this in a coordinate proof?
A.
Draw the diagonals of the quadrilateral.
B.
Find the measure of the interior angles of the quadrilateral.
C.
Find the midpoints of each segment.
D.
Find the slopes of the opposite segments.
Hint
3.
Identify the coordinates of
Z
.
A.
(
c, -b
)
B.
(
-c, a
)
C.
(
-c, -b
)
D.
(
-c, b
)
Hint
4.
Name the coordinates of
I
.
A.
(
b, c
)
B.
(-2
b, c
)
C.
(
-b, c
)
D.
(
b, -c
)
Hint
5.
Find the x-coordinate of
R
if
PQRS
is a rectangle.
A.
2
b
B.
a
C.
b
D.
2
a
Hint