Transcript Quads on the coordinate plane (PP)

A (-2, -1)
B (2, 5)
B
A
1.
2.
3.
4.
find the slope of AB
find the slope of a line
perpendicular to AB
Find the midpt of AB
find AB (the length of
the segment . . .hint:
distance from A to B)
Most specific name for QUAD?
Q (0, 6) U (6, 2) A (-1, -2)
trap
Q
D
// sides
D (-7, 2)
U
kite
or
quad
isos
rect
rhom
A
I show 1
right angle
(use slopes!)
I show diagonals
┴
(slopes again)
Most specific name for QUAD?
Q (0, 6) U (6, 2) A (-1, -2)
D (-7, 2)
parallelogram
Both pairs of opp sides are
//, so it is a parallelogram.
Step 2: Check the slopes of a
pair of consecutive sides to
see if they are perpendicular.
Q
D
Step 1: find the slope of
all 4 sides
U
-2/3 and 4/7 are not opp
reciprocals, so this is NOT a
rectangle.
Step 3: Check the slopes of
the diagonals to see if they
are perpendicular.
A
m=0
m = 8/1
The slopes are not opp recips,
so this is NOT a rhombus