PSAT Math Multiple-Choice Question 251: Answer and Explanation
Question: 251
An outdoor game board is 20 feet by 30 feet. One corner of the game board on the coordinate plane is (-10,?-20). What could be a second coordinate of the game board?
- A. (-20, -10)
- B. (-10, 10)
- C. (10, -10)
- D. (-20, 10)
Correct Answer: B
Explanation:
The correct solution is (-10, 10) because 30 can be added to the y-coordinate, -20 + 30 = 10. See Lesson: Similarity, Right Triangles, and Trigonometry.
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