inequality
2011-07-30 6:06 am
Solve theinequality (-3x+1)/4 > x-5Also writedown all integers which satisfy both the inequalities (-3x+1)/4 > x-5and 2x+1≧0
回答 (1)
2011-07-30 6:36 am
✔ 最佳答案
Solve the inequality (-3x+1)/4>x-5-3x+1>4(x-5)
-3x+1>4x-20
4x-20<-3x+1
7x<21
x<3
Also write down all integers which satisfy both the inequalities (-3x+1)/4 > x-5 and 2x+1≧0
2x+1≧0
2x≧-1
x≧-1/2
(-3x+1)/4>x-5 and 2x+1≧0
x<3 and x≧-1/2
3>x≧-1/2
x=0, 1, 2
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110729000051KK01305