H. Li, "Solve least absolute value regression problems using modified goal programming techniques," Computers & OR, vol. 25, no. 12, pp. 1137-1143, 1998.H. Li, "Solve least absolute value regression problems us
Knowing how to solve problems involving absolute value functions is useful. For example, we may need to identify numbers or points on a line that are at a specified distance from a given reference point.An absolute value equation is an equation in which the unknown variable appears in absolute...
Practice Problems Problem 1 Solve the absolute value inequality below: |x−1|≥2|x−1|≥2 Prev Next Prev Next Problem 2 Solve the absolute value inequality below: |2x+1|<7|2x+1|<7 Prev Next Prev Next Problem 3 Solve the absolute value inequality below: |3x−5|<4|3x−...
2−x−x−7=11, x=−8. ∴ x=3 or x=−8. (2) When 2x−7⩾0, x⩾72, 2x−1−(2x−7)=0, there is no solution. When 2x−1⩾0 and 2x−7<0, 12⩽x<72, 2x−1−(7−2x)=0, 4x=8, x=2. When 2x−1<0, x<12, 1−2x−(7−2x)=0...
We do this because the absolute value is a function with no breaks, so the only way the function values can switch from being less than 4 to being greater than 4 is by passing through where the values equal 4. Solve |x−5|=4|x−5|=4. {x−5=4orx−5=−4x=9orx=1{x...
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(2) |7−5x|=8, 7−5x=±8, so x=3 or x=−15.结果一 题目 Solve the absolute-value equations:(1)|4x+8|=12 (2)|7−5x|=8 答案 (1)x=1 or x=−5(2)x=3 or x=−15相关推荐 1Solve the absolute-value equations:(1)|4x+8|=12 (2)|7−5x|=8 反馈 收藏 ...
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Solve the following absolute-value equations: (1) ||2x−1|−1|=2(2) ||3x−1|−2|=5相关知识点: 试题来源: 解析 (1) x=2 or x=−1 (2) x=83 or x=−2 (1) |2x−1|−1=±2, |2x−1|=3 or |2x−1|=−1 (False), |2x−1|=3, 2x−1=±3. ∴ ...