SAT官方每日一题附答案和解析[数学](2018年12月13日)
日期:2018-12-13 10:50(单词翻译:单击)
每日一题
Mathematics
y^2-y=3(1-x)
y=2x
If(x1,y1) and(x2,y2) are two distinct solutions to the system of equations shown above, what is the sum of x1 and x2?
A.-1/4
B.1/4
C.1
D.-1
答案和解析
答案：A
解析：
Choice A is correct.
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