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GRE Coordinate Geometry Practice Question of the Week #35

By on January 23, 2012 in Coordinate Geometry, Geometry, Math Concepts, Math Multiple Choice, Math Question Types, Practice Question of the Week

Here’s this week’s practice question– good luck, we’ll be posting the answer and explanation tomorrow afternoon. Hint: draw a diagram!

The points A(0, 0), B(0, 4a – 5) and C(2a + 1, 2a + 6) form a triangle. If , what is the area of triangle ABC?

  1. 102
  2. 120
  3. 132
  4. 144
  5. 256

About the Author

Margarette graduated from UC Berkeley as a double major in English Literature and Linguistics. She has been teaching for large companies and tutoring privately for more than 5 years.

One Response to GRE Coordinate Geometry Practice Question of the Week #35

  1. Nevin January 23, 2012 at 2:12 pm #

    4a-5 = 2a+6

    a=11/2

    2a+1=12

    2a+6=17

    area = 1/2 * 12 * 17 = 102

    Reply

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