Skip to main content

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

 

texas_instruments_ti_30xs_multiview.jpg

Two-Dimensional

Three-Dimensional

Trig & Discrete Math

In Your Text

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

SchoolTubeLogo.jpg

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.jpg

 

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

Answer grid.jpg

CLICK HERE FOR SOLUTION

Additional Examples

coming-soon_gif.jpg

VideoTutorial_banner.JPG
Distance Formula
Please select a video file.
Distance Formula Part 2
Please select a video file.
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.JPG