SAT Math Multiple Choice Practice Question 447: Answer and Explanation

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Question: 447

9. In the xy-coordinate plane, which of the following ordered pairs is a point on the line y = 2x - 6 ?

A. (6, 7)
B. (7, 7)
C. (7, 8)
D. (8, 7)
E. (8, 8)

Correct Answer: C

Explanation:

C Plug the answers into the equation starting with C. The (x, y) point is (7, 8), so plug in 7 for x and 8 for y. Because 8 = 2(7) – 6, C is the correct answer.

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