Definitions
A point is a what?
a location
what is the distance of (-4,1) and (3,-1)
D=7.3
Find the midpoint of GH given: G(7, -5) and H(9, -1)
(8,-3)
L(-9, 4) and K(2, -1); Find M
(13,-6)
A line is made up of
points
what is the distance between (-7,-2) and (11,3)
D=18.7
Find the midpoint of AB given: A(-7, 4) and B(3, -4)
(-2,0)
K(-4, -6) and M(-7, -3); Find L
(-1,-9)
A plane is made up of what points
any 3 points
(-4,6) and (3,-7)
D=14.8
PQ = 3x + 14 and QR = 7x – 10; Find x.
6=x
Find the coordinates of A if M(-1, 2) is the midpoint of AB and B has coordinates of (3, -5).
(-5,9)
Points that do not lie on the same plane.
Non coplanar points
(0,-8) and (3,-2)
PR = 9x – 31 and QR = 43; Find x
x=13
Find the coordinates of J if K(-5, 10) is the midpoint of JL and L has coordinates of (-8, 6)
(-2,14)
two lines intersect at a and Two planes intersect at a
point and a line
find the distance of (2,7), (-6,-2) (-1,4) and (1,-1)
d= 12.0 and D=5.4
PQ = 6x + 25 and QR = 16 – 3x; Find PR.
PR=38
Find the coordinates of R if Q(-1, 3) is the midpoint of PR and P has coordinates of (5, 6).
(-7,0)