每日一题

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) right parenthesis to the system of equations shown below?

y+2x^2= 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.