Using the Midpoint Formula Answers

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has midpoint M(–17, 16.5) and endpoint K(–12, 4). What are the coordinates of endpoint J?

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Option
Option A
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Option B
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Option C
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Option D
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has endpoint U(21.6, –8.2) and midpoint M(15.8, –17). What are the coordinates of the other endpoint, V?

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A
(7, –22.8)
B
(10, –25.8)
C
(18.7, –12.6)
D
(27.4, 0.6)
3

Which statement is true about finding the midpoint between two points located on a horizontal or vertical line?

A
When finding the midpoint between two points on a vertical line, keep the y-coordinate and find the average of the x-coordinates.
B
When finding the midpoint between two points on a vertical line, keep the x-coordinate and find the average of the y-coordinates.
C
When finding the midpoint between two points on a horizontal line, the x-coordinate is always 0 and the y-coordinates are averaged.
D
When finding the midpoint between two points on a horizontal line, the y-coordinate is always zero and the x-coordinates are averaged.
4

The coordinates of midpoint M and endpoint Q of a segment are M(–7, 8) and Q(–19, 30). Find the coordinates of the other endpoint.

A
(–31, 52)
B
(–13, 19)
C
(5, –14)
D
(15, –4)
5

A marine biologist needs to put a GPS device underwater, halfway between two tracking stations to help document great white shark movements. Tracking station #1 is located at (–50, –25) and tracking station #2 is at (200, –65).

A
(67.5, –37.5)
B
(75, –45)
C
(150, –90)
D
(135, –75)
6

Sam was finding the midpoint between points (17, –2) and (4, 10). The steps are shown.Step 1 Step 2Step 3

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Step 1
B
Step 2
C
Step 3
D
No error was made.
7

The midpoint of is M(29, 40). If endpoint P is located at (8, 50), what are the coordinates of endpoint Q?

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A
(–13, 60)
B
(18.5, 45)
C
(39, 19)
D
(50, 30)
8

What is the midpoint of line segment MN with endpoints M(2.7, –1.2) and N(4.1, 7.2)?

A
(–0.7, –4.2)
B
(0.75, 5.65)
C
(3.4, 3)
D
(3.9, 3.1)
9

If M(31, –5) is the midpoint of the line segment whose endpoints are A and B(2, –19), what are the coordinates of endpoint A?

A
(–27, –33)
B
(16.5, –12)
C
(45, 24)
D
(60, 9)
10

Cedrick is going to meet his mother for dinner at a restaurant halfway between his house and hers. On a coordinate grip map, Cedrick’s house is at (–51, –26) and his mom lives at (2, –4).

A
Greek restaurant at (–25, –15)
B
French restaurant at (–27, –11)
C
Mediterranean restaurant at (–28, –12)
D
Thai restaurant at (–38, –1)

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