Question

Which graph is a solution of |2x - 3| < 5?

http://aventalearning.com/content168staging/2006AlgebraIA/exams/5-SEMESTEREXAM/graph_84.gif

http://aventalearning.com/content168staging/2006AlgebraIA/exams/5-SEMESTEREXAM/graph_83.gif

http://aventalearning.com/content168staging/2006AlgebraIA/exams/5-SEMESTEREXAM/graph_81.gif

http://aventalearning.com/content168staging/2006AlgebraIA/exams/5-SEMESTEREXAM/graph_82.gif

Answer 1

\(|a|<b\iff -b<a<b\)

so you have

\(|2x-3|<5\iff-5<2x-3<5\iff-2<2x<8\iff-1<x<4\)

Answer 2

the first one ?

Answer 3

correct`