Points Lines and planes
Draw a point, plane and line
Drawing
Slove the distance
2x - 60 = 30
45
convert 17/20 into a decimole
0.85
A line segment has two of what?
Two endpoints
2.3 + (-1.4)=?
0.9
A point is a what?
a location
Solve for distance
(x + 6) + 3x = 90
21
What is an endpoint?
An endpoint the end of a line where a point is located.
What does a directed line segment have?
An initial endpoint and a terminal endpoint.
If CD had endpoint at x1 and x2 on a number line, then the midpoint M of CD has...
M = x1 + x2/2
Two points
If C and B are -1 and -3, and D and F are 2 and 5. Find the length of each
CB = 2, DF = 3
Find P on QR that is 1/6
Q (-2,-4)
R (4,6)
P = (-1,-3)
Find B on AC that is 1/4 of the distance from A to C
A -5
C 7
B = -2
What is the midpoint of AB?
A -3
B 8
2.5
A plane is made up of how many points?
3
If AC are -5 and 1, and BD are -1 and 4 are they congruent?
No they are not
Find S on QR such that the ratio of QS to SR is 2:1
Q (-2,-5)
R (4,7)
(2,3)
Find X on BE that is 3/5 of the distance from B to E
B = -1
E = 9
X = 5
What is the midpoint of AF?
A=-5
F=7
1
? points are points that lie on the same line
Find the distance of J(4,3) and K(-3,-7) on a coordinate plane.
12.2
Y is 2/3 of the distance from X to Z
X(-6,8)
Z(18,-8)
(10, -8/3)
Find B on AC such that the ratio of AB to BC is 3:4
A -5
C 7
B is located at 1/7
Find the coordinates of M, the midpoint of AB fo
A (-2,1)
B (8,3)
(3,2)