Section 2.5-2.6 - a t le as t The re a re at le a s t 90 s...

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Linear Inequalities
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S e c tio n 2.5– Ine q ua litie s Many situations in real life translate into inequalities. 1.  A s tude nt ne e ds  a t le a s t 12 units  to  b e  c o ns ide re d full  tim e . Inequalities Inequalities : 2.  An e le va to r c a n ho ld a t m o s t 2000 lb s . 3.  A ta x c re dit is  a va ila b le  fo r fa m ilie s  with inc o m e  le s s   tha n $25,000. ≠     => “ is  not e q ual to” or “is  not the  s am e  as ” >    => “ is  g re a te r tha n” <    => “ is  le s s  tha n”
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S e c tio n 2.5– Ine q ua litie s Phrase Meaning Example. fe we r than The re  a re  fe we r than 90 s tude nts . m o re  than The re  a re  m o re  than 90 s tude nts .
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Unformatted text preview: a t le as t The re a re at le a s t 90 s tude nts . a t m o s t The re a re at m o s t 90 s tude nts . no fe we r than The re a re no fe we r tha n 40 s tude nts . no m o re than The re a re no m o re tha n tha n 90 s tude nts . S e c tio n 2.5 Ine q ua litie s Ex Ex : 1) Bill is at le as t 21 ye a rs o ld 2) At m o s t 5 s tude nts will dro p this c o urs e 3) Yo ur s pe e d m us t e xc e e d 15 m ph. 4) Brittne y we ig hs le s s tha n 35 lb s . 5) S a n Die g o is m o re tha n 50 m ile s a wa y. 6) Ja c o b we ig hs no m o re tha n 20 lb s . 7) S a m s c o re d no le s s than 85% ....
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This note was uploaded on 01/13/2012 for the course MATH 52 taught by Professor Janetfrewing during the Fall '10 term at Riverside Community College.

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Section 2.5-2.6 - a t le as t The re a re at le a s t 90 s...

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