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How many real solutions does the system have? y=−3x−1y=x2−3x+4?
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Jul 18, 2018
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How many real solutions does the system have? y=−3x−1y=x2−3x+4?
Mathematics
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JARH
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Set the equations to equal each other:
x²-3x+4=-3x-1
x²-3x+3x+4=-3x+3x-1
x²+4=-1
x²+4-4=-1-4
x²=-5
√x²=√-5
x=-√5i and x=√5i
There are no real solutions.
Daniel Arndt
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Jul 24, 2018
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Daniel Arndt
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