Points, Lines and planes
Rays and Segments
Naming Points, Lines, Planes, etc
Midpoint & Distance
Misc. + Final Jeopardy
100
A flat surface with no thickness.
Plane
100
What does a segment have that a line or a ray do not?
What is two endpoints.
100
The intersection two lines
What is a point.
100
The Midpoint Formula?
What is M=
((x1 +x2)/2 , (y1 + y2)/2 )
100
What is the weighted avg. of -3 and 7 with weight 1/4 on -3 and 3/4 on 7?
4.5
200
Name the two ways you can name a line with points C and D
line CD or line DC
200
Line g and line f intersect where?
At point S.
200
Name 3 Collinear points.
A,B, & C
200
The Distance Formula
What is d =
square root* ((x2 - x1)^2 + (y2 - y1)^2
200
The coordinates of the endpoints of segment IJ are I(-9, 11) and J(0, 7). Point K divides IJ into a 2:7 ratio.
What are the coordinates of K?
(-7, -7)
300
Points that lie on the same line are called _________?
What is collinear
300
If QR = x + 5, RS = 4, and QS = 10x, what is QR?
6
300
Name 3 noncollinear points.
E, A, & B or
E, B, & C, or
E, B, & D
etc.
300
Find the Midpoint of (-4,4) & (5,-1)
What is (0.5, 1.5)?
300
What point is 4/9 the way from -3 to 15?
5
400
The intersection of two lines.
What is a point.
400
Plane GHE intersects Plane FEC where?
Segment FE
400
Name the plane.
Plane P or
Plane ABD or
Plane BEC or
etc.
400
Find the distance between (-2,3) & (-7,7). (Tenths place)
What is
approx 6.4
400
The coordinates of the endpoints of segment ST are S(10, 2) and T(17, 16). Point U divides ST into a 2:5 ratio.
What are the coordinates of U?
(12, 6)
500
Three or more points that lie in the same plane.
What is coplanar
500
If PQ = 11x − 7, QR = 4, and PR = 16x − 8, what is PQ?
4
500
True or False. The intersection of a plane and a line can be a line segment.
FALSE
500
Find endpoint C of segment BC if B(4, -2) and the midpoint is (2,2)
What is C(0,6)?
500
What is the furthest planet from the sun?
Neptune