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Mathematics 8 Online
OpenStudy (anonymous):

Evaluate the expression for x = 5 and y = 3. http://media.education2020.com/evresources/2003-01-03-00-00_files/i0180000.jpg A.9 B.27 C.39 D.81

OpenStudy (alienium):

just substitute x and y 3x^2-4x^2 3*5^2-4*3^2 3*25-4*9 75-36=39

OpenStudy (anonymous):

that is right! ^

OpenStudy (anonymous):

thanks guys

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