Segment Addition, Lines, Planes, Midpoint, Distance Formula

An example of 2 non-collinear points.

• D, E
• C, B
• M, E
• F, B

How would you describe points I, L, C?

• collinear
• non-coplanar
• symmetric
• coplanar

Give another name for line k.

• Line BC
• Line BCE
• Line ED
• Line k is the only name, there isn't another name.

• 4
• 5
• 8
• 6

• 8
• 12
• -4
• -8

A _______ consists of an infinite number of points which form a flat surface that extends in all directions forever.

• Point
• Line
• Line segment
• Plane

True or False: Points A, B, and C are collinear.

• True
• False

S is the midpoint of RT.
RS = 13x + 2
RT = 212
Find x.

• 8
• 106
• 212
• 16

True or False: Points B, C, and D are coplanar.

• True
• False

Q is the midpoint of PR.
PQ = 6x – 7 and QR = 5x + 1.
Find the length of PR.

• 8
• 16
• 41
• 82