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Posted by on Sunday, August 16, 2009 at 7:51pm.

Find all the values of j such that the quadratic equation

5x^2+x+4j=0
has no real solutions. Write your answer as an equality or inequality in terms of j.

  • Algebra 2 - , Sunday, August 16, 2009 at 9:21pm

    Use the quadratic formula, and make the discriminant <0.
    a=5,b=1,c=4j
    so b²-4ac<0

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