Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 5x-7=13
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Equation x^4=(4*x-5)^2
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Equation |x|=-1
- Equation z^3=i
- Express {x} in terms of y where:
- 19*x-7*y=-11
- 10*x+14*y=1
- 6*x+16*y=-7
- 6*x+10*y=-7
- Derivative of:
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|x|
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-1
- Integral of d{x}:
- |x|
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-1
- Graphing y =:
- |x|
- Sum of series:
-
-1
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Identical expressions
- |x|=- one
- module of x| equally minus 1
- module of x| equally minus one
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Similar expressions
- |x|=+1
|x|=-1 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
For every modulo expressions in the equation
allow cases, when this expressions ">=0" or "<0",
solve the resulting equation.
1.
or
we get the equation
after simplifying we get
the solution in this interval:
but x1 not in the inequality interval
2.
or
we get the equation
after simplifying we get
the solution in this interval:
but x2 not in the inequality interval
The final answer:
allow cases, when this expressions ">=0" or "<0",
solve the resulting equation.
1.
or
we get the equation
after simplifying we get
the solution in this interval:
but x1 not in the inequality interval
2.
or
we get the equation
after simplifying we get
the solution in this interval:
but x2 not in the inequality interval
The final answer:
The graph