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What is the value of the discriminant -14x^2+7x+9=0

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-14x^2+7x+9=0.

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solving-equations

asked Mar 11, 2014 in ALGEBRA 2 by futai Scholar

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1 Answer

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Given equation -14x^2+7x+9 = 0.

Compare to the quadratic equation ax^2+bx+c = 0.

a = - 14 , b = 7, c = 9.

Discriminant = b ^2 - 4ac.

Substitute the values a , b and c.

( 7 ) ^2 - 4 ( - 14 ) ( 9 ) = 49 + 504 = 553.

Solution : The value of the discriminant is 553.

answered Mar 24, 2014 by friend Mentor

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