May 18, 2015

<p>Use coordinates to prove simple geometric theorems algebraically. For example, prove or disprove that a figure defined by four given points in the coordinate plane is a rectangle; prove or disprove that the point (1,?3) lies on the circle centered at the origin and containing the point (0,2).</p><p>Exercises from Illustrative Mathematics<br/>A set of 2 exercises, commentary, and solutions</p>

- Mathematics > General
- Mathematics > Geometry

- Grade 9
- Grade 10

Reason abstractly and quantitatively.

Model with mathematics.

Use appropriate tools strategically.

Attend to precision.

Look for and make use of structure.

Use coordinates to prove simple geometric theorems algebraically.