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Q: The question just says, evaluate the polynomial. -2x^2-y^2+xy, when x=-3 and y=5.
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User: The question just says, evaluate the polynomial. -2x^2-y^2+xy, when x=-3 and y=5.





Weegy: x2+ 2y2- 3xy = 3^2 + 2*4^2 - 3*3*4 = 9+32-36 = 5
Expert answered|Rosafe|Points 30|

User: That isn't one of the answers. The answers for this are -58, 28, -28, -8.

Question
Asked 8/5/2012 8:51:18 PM
Updated 7/4/2014 5:33:33 PM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [7/4/2014 5:33:33 PM]
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3
-2x^2 - y^2 + xy, when x =- 3 and y = 5

-2(-3)^2 - 5^2 + (-3)(5)

= -2(9) - 25 - 15

= -18 - 25 - 15

= -43 - 15

= -58
Added 7/4/2014 5:33:32 PM
This answer has been confirmed as correct and helpful.
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Simplify. -12y-8x-4x
Weegy: -12y + -8x + -4x = -12x - 12y (More)
Question
Expert Answered
Updated 6/25/2014 3:35:51 PM
0 Answers/Comments
Evaluate the polynomial. -2^2-y^2+xy, when x=-3 and y=5
Weegy: Can you make the question more clear? We'd like to answer this question. Thanks. (More)
Question
Expert Answered
Updated 7/8/2014 4:44:57 AM
1 Answer/Comment
-2^2-y^2+xy, when x=-3 and y=5

-2^2 - 5^2 + (-3)(5)

= -4 - 25 - 15

= -29 - 15

= -44
Added 7/8/2014 4:44:55 AM
This answer has been confirmed as correct and helpful.
Factor: x^2-25 Factor: 9x^2-4y^2
Weegy: Is there an = in this equation anywhere? (More)
Question
Expert Answered
Updated 7/8/2014 4:46:55 AM
1 Answer/Comment
x^2 - 25 = (x - 5)(x + 5)

9x^2 - 4y^2 = (3x - 2y)(3x + 2y)
Added 7/8/2014 4:46:54 AM
This answer has been confirmed as correct and helpful.
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