Solving Absolute Value Equations
In this video we learn to solve absolute value equations by creating two equations or cases and solving each one. We then check the results for extraneous solutions.
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Video highlights:
00:00 Introduction to absolute value equations
00:10 |X-6|+5=11 example with two valid solutions
01:10 Dividing the first example into two cases
02:30 Checking the first example to find that both solutions are valid
04:05 |X+10|=4X-5 example with one extraneous solution
05:40 Checking the second example to find the extraneous solution
07:15 |2X-1|+5=1 example with two extraneous solutions
08:40 Checking third example to find the extraneous solutions
10:40 Conclusion and website information