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  ### Course: College Algebra>Unit 1
  
  Lesson 6: Absolute value equations
  
  # Solving absolute value equations
  
  Understand why an absolute value equation can have from 0 to 2 solutions. Solve absolute value equations with different numbers of solutions. Created by Sal Khan.
  
  ## Want to join the conversation?
  
  • Why does the final problem at have no solutions? couldn't it be x= 1/2 or x= -1/2?
  • This makes absolutely no sense. How did -6/-5 become positive when it hasn't been divided into yet? What's wrong with dividing it to a decimal? And prob 2 I got -1.5 and 4.5 but he stopped at 0. Why not subtract and divide? And how does he kno the shape of variables on a graph at start w no given values yet? He doesnt explain any of it.
  • Why is -6/5 not divided to get 1.2 which is easier to plot. Fractions are near impossible to plot unless u know the decimal equivalent. Isnt that an improper fraction? And prob 2 the - is a minus not a negative but he adds a 1 to make it negative? How does that make sense and why 1 isnt that redundant?
  • At Couldn't you divide both sides by -4? -2/-4 = 0.5 Which is a positive value
  • will an absolute value problem always have two solutions?
  (1 vote)
  • If the problem equals 0, you will have one solution.
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