14.实数a、b满足$\sqrt{a+1}$+4a2+4ab+b2=0,则ba的值为( )
| A. | 2 | B. | $\frac{1}{2}$ | C. | -2 | D. | -$\frac{1}{2}$ |
10.一次函数y=$\frac{4}{3}$x-b与y=$\frac{4}{3}$x-1的图象之间的距离等于3,则b的值为( )
0 283936 283944 283950 283954 283960 283962 283966 283972 283974 283980 283986 283990 283992 283996 284002 284004 284010 284014 284016 284020 284022 284026 284028 284030 284031 284032 284034 284035 284036 284038 284040 284044 284046 284050 284052 284056 284062 284064 284070 284074 284076 284080 284086 284092 284094 284100 284104 284106 284112 284116 284122 284130 366461
| A. | -2或4 | B. | 2或-4 | C. | 4或-6 | D. | -4或6 |