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OpenStudy (anonymous):
how many real-number solutions does the equation have? –8x² – 8x – 2 = 0
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OpenStudy (bahrom7893):
again find the discriminant, if D<0 no real solutions, if D=0, 1 repeated real solution, if D>0, 2 real solutions.
OpenStudy (bahrom7893):
D=64-64=0, so 1 real solution
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