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Midpoint Formula
Midpoint Formula #2
Vocabulary
Trivia
100
What is the formula for finding the midpoint?
(x1 + x2)/2 , (y1 +y2)/2
100
(5, 8) & ( -1, -4)
(2,2)
100
(7, -2) & ( -4, 2)
(1.5, 0)
100
The ________ is halfway between the two end points: Its x value is halfway between the two x values. Its y value is halfway between the two y values.
What is the midpoint?
100
How many dwarfs are there in Snow White?
7
200
What does the statement below mean in words?
bar(AB) ~=bar(DE)
What is segment AB is congruent to segment DE?
200
(-5, 9) & (-2, 7)
(-3.5, 8)
200
(−4, 4) & (−2, 2)
(-3, 3)
200
A segment __________ is a line, ray or segment which cuts another line segment into two equal parts
What is a segment bisector?
200
Name the school that Harry Potter attended?
Hogwarts
300
What three points can we NOT use to name this plane? Justify.
What are points A, B and D? Because those points are collinear.
300
(-3, -7) & ( 3, -5)
(0, -6)
300
( 5, 6) & (7, 8)
(6, 7)
300
A _________ can be defined as a part of a line that has a fixed starting point but no end point. It can extend infinitely in one direction.
What is a ray?
300
According to the Dr. Seuss book, who stole Christmas?
The Grinch
400
Which points are non-coplanar with the points that lie on plane M?
What are points B and C?
400
The midpoint is (-3, -0.5) and one endpoint is (2, -6). Find the second endpoint.
(-8, 5)
400
The midpoint is (2, -2) and one endpoint is (−1, 1). Find the second endpoint
(5, -5)
400
Two segments are ___________ if their lengths have equal measurements.
What is congruent?
400
How many legs does a spider have?
8
500
Use the Segment Addition Postulate to find AB.
What is 11 inches?
AB + BD = AD Segment addition Postulate
AB + 29 = 40 substitute given values
AB = 11 subtract 29 from both sides
500
The midpoint is (-3,2) and one endpoint is (-1, -5). Find the other endpoint.
(-5, 9)
500
The midpoint is (1.5, 0.5) and one endpoint is (2, 4). Find the other endpoint.
(1, -3)
500
Three points that are collinear are also _________
What is coplanar?
500
What is the 6th closest planet to our sun?
What is Saturn?