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Evaluate each polynomial for x = 5 and y = -2, x^2 +5y^2-4xy

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Evaluate each polynomial for x = 5 and y = -2, x^2 +5y^2-4xy Please show work

asked Dec 7, 2013 in ALGEBRA 2 by johnkelly Apprentice

1 Answer

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Given polynomial x^2+5y^2-4xy

For x = 5,y = 2

= 5^2+5*(-2)^2-4*5*-2

= 25+5*4+40

= 25+20+40

= 85

answered Dec 10, 2013 by william Mentor

Typo mistake in second line of above solution.

Substitute x = 5 and y = -2 in the polynomial.

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