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Mathematics
OpenStudy (anonymous):

the smallest integral value of "c" that will produce imaginary roots in the equation 4x^2-7x+c=0 is (1) 1 (2) 2 (3) 3 (4) 4

OpenStudy (anonymous):

discriminant

OpenStudy (anonymous):

b^2 - 4ac is less than 0,, then it would have imaginary roots

OpenStudy (anonymous):

(-7)^2 - 4(4)(c) 49 - 16c < 0 49 < 16c 49/16 < c 3.0625 < c

OpenStudy (anonymous):

would the answer be four then because 3.0625 is less than 0?

myininaya (myininaya):

if you have this \[b^2-4ac<0\] then you have imaginary solutions

myininaya (myininaya):

\[(-7)^2-4(4)c<0\] money just solved this inequality

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