要使二次根式 5x−3 在实数范围内有意义，则x的取值范围是_刷题宝

题干

要使二次根式 5x−3 在实数范围内有意义，则x的取值范围是（）

A：x= $\frac{3}{5}$

B：x≠ $\frac{3}{5}$

C：x≥ $\frac{3}{5}$

D：x≤ $\frac{3}{5}$

上一题下一题 0.0难度选择题更新时间:2019-03-19 09:08:58

答案(点此获取答案解析）

C

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