Midpoints and angle bisectors

Which of the following is the correct midpoint formula given two endpoints (x₁, y₁) and (x₂, y₂)?

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Tags

CCSS.HSG.GPE.B.6

What is the midpoint between (3, -1) and (7, -5)

• (5, -2)
• (10, -6)
• (5, -3)
• (2, -2)

Tags

CCSS.HSG.GPE.B.6

Find the midpoint of the segment with the endpoints:(1, 7) and (9, 0) 

• (4, 3.5)
• (3.5, 5)
• (3.5, 4.5)
• (5, 3.5)

Tags

CCSS.HSG.GPE.B.6

Find the midpoint of the segment with the endpoints:(-7, -8) and (4, 7) 

• (-5.5, -7.5)
• (-1.5, -0.5)
• (-3, -1)
• (0.5, 1.5)

Tags

CCSS.HSG.GPE.B.6

Find the endpoint of the segment with the endpoint of  (-4, 5) and midpoint of (7, -9) 

• (18, 13)
• (13, 18)
• (11,4)
• (1.5, -2)

Tags

CCSS.HSG.GPE.B.6

Given that M is the midpoint of

 $\overline{AB}$  and  $AB=30$  find AM.

• 15

• 30

• 10

• not enough information

Tags

CCSS.HSG.CO.C.10

Angle JHG measures 161.

• m∠GHK=80.5,

  m∠KHJ=161

• m∠GHK=161,

  m∠KHJ=80.5

• m∠GHK=80.5,

  m∠KHJ=80.5

• m∠GHK=161,

  m∠KHJ=161

Tags

CCSS.7.G.B.5

Find the measure of  $\angle NJZ$  

• 38

• 90

• 52

• 128

Tags

CCSS.8.G.A.5

What ray is the bisector of $\angle AOC$  ?

•  $\overrightarrow{OB}$  

•  $\overrightarrow{OC}$  

•  $\overrightarrow{BO}$  

•  $\overline{OB}$  

Tags

CCSS.4.G.A.1

If $\overrightarrow{KM}$  bisects  $\angle LKJ$  and  $m\angle JKM=22\degree$  find  $m\angle LKM$  .

• 22

• 44

• 11

• 68

• not enough information given

Tags

CCSS.HSG.CO.C.9