Unit 7 Review (Distance, Midpoint, and Angles)

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

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• 
• 
• 

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

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

Find the y-coordinate of the midpoint of the line

• 1
• 2
• -2
• 3

B is the midpoint of AC.  Find AB.

• 2
• 16
• 8
• 4

Find the distance between (-12, 1) and (12, -1).

• 24.05
• 24.06
• 24.07
• 24.08

Find the distance between (2, -75) and (10, 235).

• 305.5
• 308.6
• 310.1
• 315.3

Find the missing endpoint given the midpoint (3,4) and the other endpoint (-1,6)

• (1,5)
• (2,10)
• (7,2)
• (1,2)

Find the other endpoint of the line segment with the given endpoint and midpoint. Endpoint: (9,8)   Midpoint (0,9)

• (-9, 10)
• (1.5, -1)
• (4.5, -0.5)
• (8.5, 4.5)

What type of angle has a measurement of 90^o?

• acute

• obtuse

• right

• straight

What type of angle has a measurement of 25^o?

• acute

• obtuse

• right

• straight