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ZX-36AD5B38872026年9月美国A卷 · 第 21 题
2026年9月美国A卷 · 原库模块 1 · Q21 参考答案
\( y=x^3+bx^2+260x-372 \)
In the xy-plane, the graph of the given equation, where b is a constant, contains the points (2, 0), (r, 0), and (6, 0). What is the value of r?
In the xy-plane, the graph of the given equation, where b is a constant, contains the points (2, 0), (r, 0), and (6, 0). What is the value of r?
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