2. 外语
  3. In the rectangular quadrant system shown above, which quadrant, if any, contains no point (x,y) that satisfies the equation x2-2

In the rectangular quadrant system shown above, which quadrant, if any, contains no point (x,y) that satisfies the equation x2-2

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问题 In the rectangular quadrant system shown above, which quadrant, if any, contains no point (x,y) that satisfies the equation x2-2y=3?
选项 A、none
B、Ⅰ
C、Ⅱ
D、Ⅲ
E、Ⅳ
答案A
解析 The equation describes a parabola facing upward that crosses the y-axis
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