Exploring the Segment Addition Postulate with Examples

The video tutorial introduces the segment addition postulate, explaining its definition and significance in geometry. It covers the concept of betweenness, emphasizing that a point is between two others only if it lies on the same segment. The tutorial demonstrates how to apply the postulate to solve problems, including writing equations and solving algebraic examples. The importance of not assuming midpoints and relying on given information is highlighted.

What is the Segment Addition Postulate primarily concerned with?

• Triangles

• Segments and their lengths

• Points and lines

• Angles

Why is it important not to assume a point is the midpoint in the Segment Addition Postulate?

• Because it changes the length of the segments.

• Because it is not relevant to the postulate.

• Because it is always the midpoint.

• Because it can lead to incorrect assumptions about segment lengths.

Which of the following is true according to the Segment Addition Postulate?

• The sum of the lengths of two segments equals the length of the entire segment.

• The difference between the lengths of two segments equals the length of the entire segment.

• The product of the lengths of two segments equals the length of the entire segment.

• The length of one segment is always greater than the length of the other.

If segment AB is 10 units and segment BC is x units, and the total length of segment AC is 17 units, what is the value of x?

• 5

• 17

• 7

• 10

In the equation 2x + 1 + 5x = 29, what is the value of x?

• 6

• 5

• 4

• 3

Tags

CCSS.8.EE.C.7B

If MN = 2x + 1, NP = 5x, and MP = 29, what is the length of NP when x = 4?

• 18

• 20

• 16

• 22

In the equation 3x + 2 + 6x - 1 = 12x - 8, what is the value of x?

• 2

• 3

• 4

• 5

If QR = 3x + 2 and RS = 6x - 1, what is the length of QR when x = 3?

• 9

• 8

• 11

• 10

If QR = 3x + 2 and RS = 6x - 1, what is the length of RS when x = 3?

• 15

• 16

• 17

• 18

Tags

CCSS.4.MD.A.2

If QR = 3x + 2, RS = 6x - 1, and QS = 12x - 8, what is the length of QS when x = 3?

• 26

• 27

• 28

• 29