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总述:本次共解1题。其中
☆不等式1题
〖 1/1不等式〗
作业:求不等式 -9x²+6x+1 ≥0 的解集.
题型:不等式
解:
该不等式可以化为1个不等式:
-9 * x ^ 2 + 6 * x + 1 ≥0 (1)
由不等式(1)得:
-0.138071 ≤ x ≤ 0.804738
最终答案为:
-0.138071 ≤ x ≤ 0.804738
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Stack trace:
#0 /www/wwwroot/MyWeb/baidu/baidu_20250905/work/jfc_ck/bds/index.php(44): mysqli->query()
#1 /www/wwwroot/MyWeb/baidu/baidu_20250905/res/work.php(48): require('...')
#2 /www/wwwroot/MyWeb/baidu/baidu_20250905/front.php(113): require('...')
#3 {main}
thrown in /www/wwwroot/MyWeb/baidu/baidu_20250905/work/jfc_ck/bds/index.php on line 44