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OpenStudy (nincompoop):
can you find the square root of both sides?
OpenStudy (anonymous):
the Square Root Of 64 Is 8
OpenStudy (nincompoop):
how about the square root of x^2?
OpenStudy (anonymous):
No That How They Wrote The Question
OpenStudy (rational):
x^2 < 64
x^2 - 64 < 0
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OpenStudy (rational):
factor it
OpenStudy (nincompoop):
solving for inequality is almost the same as when you are solving for equation
the only part that is different is when your x value is turned from a negative to a positive, your sign flips. less than becomes greater than and viceversa, and your less than or equal to turns into a greater than or equal to
OpenStudy (rational):
or you may just see it, x has to be between (-? , ?)
OpenStudy (rational):
x^2 is always a distance
OpenStudy (rational):
for inequality you wil get range of values for x (-x, x)
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OpenStudy (rational):
you assumed it wrong
OpenStudy (rational):
we can solve inequalities by factoring and checking the intervals
OpenStudy (nincompoop):
but you are right that square root gives a -/+ value from x