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MA.912.G.1.1 Lengths and Midpoints of Segments

 

texas instruments ti 30xs

Two-Dimensional

Three-Dimensional

Trig & Discrete Math

In Your Text

Section 1-3; 25-35
Section 3-6; 213-222

SchoolTube

What You Need To Know...

Find the lengths and midpoints of line segments in 2-D coordinate systems.

  1. The benchmark will be assessed using MC (Multiple Choice) and FR (Fill in Response) items.
  2. Items may include finding both distance and midpoint.
  3. Students may need to find the length or midpoint or one of the end points of a segment.

Example One

The circle shown below is centered as the origin and contains the point (-4, -2).

1-1A

 

Which of the following is closest to the length of the diameter of the circle?

A. 13.41
B. 11.66
C.   8.94
D.   4.47

CLICK HERE FOR SOLUTION  

Example Two

On a coordinate grid, AB
 has an end point B at (24, 16). The midpoint of AB
 is P(4, -3). What is the y-coordinate of Point A.

Answer grid

CLICK HERE FOR SOLUTION

Additional Examples

coming-soon

VideoTutorial
Distance Formula
Please select a video file.
Distance Formula Part 2
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Midpoint
Please select a video file.
Midpoint Part 2
Please select a video file.
Finding a Endpoint
Please select a video file.

Reference Sheet

reference