10.一个三角形的两边长分别为2和6,则第三边的长可能为( )
| A. | 4 | B. | 7 | C. | 8 | D. | 10 |
5.若一次函数y=(m-3)x+(m+1)(其中m为常数)的图形经过第一、二、四象限,则m的取值范围是( )
0 284746 284754 284760 284764 284770 284772 284776 284782 284784 284790 284796 284800 284802 284806 284812 284814 284820 284824 284826 284830 284832 284836 284838 284840 284841 284842 284844 284845 284846 284848 284850 284854 284856 284860 284862 284866 284872 284874 284880 284884 284886 284890 284896 284902 284904 284910 284914 284916 284922 284926 284932 284940 366461
| A. | -1≤m≤3 | B. | m<3 | C. | -1<m<3 | D. | m>3 |