KieH377543 KieH377543

29-10-2022
Mathematics

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Given −^2+ 2 − 8 evaluate when, = −4 and = −2.

Given 2 2 8 evaluate when 4 and 2 class=

Respuesta :

AmoriE704261 AmoriE704261

29-10-2022

Given:

[tex]-x^2+2xy-8[/tex]

Substitute x=-4 and y=-2, we get

[tex]-(-4)^2+2(-4)(-2)-8[/tex]

[tex]=-16+16-8[/tex]

[tex]=-8[/tex]

Hence the given polynomial is -8 when x=-4 and y=-2.

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