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ZX-E9CC5059C82026年9月国际A卷 · 第 18 题
2026年9月国际A卷 · 原库模块 2 · Q18 参考答案
\( y=21x^2+22 \)
\( y=rx \)
The given system of equations, where r is a constant, has two real solutions. If r is a negative integer, what is the greatest possible value of r?
\( y=rx \)
The given system of equations, where r is a constant, has two real solutions. If r is a negative integer, what is the greatest possible value of r?
参考答案：
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