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Mathematics>Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

Which of the following represents all solutions (x,y) to the system of equations shown below?
y+2x²=3x+16
y=-x

A.(4,-4)and(-2,2)
B.(-4,4)and(2,-2)
C.(2,-4)
D.(4,-2)

答案和解析

答案：A

解析：

Choice A is correct.