Midpoint (x,y) of a Segment in the Coordinate Plane (Quiz)

Midpoint (x,y) of a Segment in the Coordinate Plane (Quiz)
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2015-10-05 04:51
① This interactive applet provides students with multiple opportunities to algebraically determine the coordinates of the midpoint of a segment drawn in the coordinate plane. ② The core mathematical concept is the midpoint formula in coordinate geometry, which averages the x- and y-coordinates of the segment's endpoints. ③ Construction details: using GeoGebra commands such as Sequence, Segment, Midpoint, and Textfield, along with objects like list1, list2, A, B, M, button1, InputBox1, InputBox2, and text fields, the applet generates random segments and checks user input. ④ Suitable for middle or high school students learning coordinate geometry, this quiz helps reinforce the midpoint formula through repeated practice and immediate feedback.

GeoGebra Commands & Parameters

  1. Sequence(i, i, -20, 20, 1) → list1
  2. Sequence(i, i, -10, 10, 1) → list2
  3. Segment(A, B) → a
  4. Midpoint(A, B) → M
  5. Textfield(b) → InputBox1
  6. Textfield(c) → InputBox2
  7. Midpoint(a) → C
  8. Segment(A, C) → d
  9. Segment(C, B) → e