Mathematics, 28.03.2020 06:27 angellll4455
Substitute the values of x and y into the expression -3x2 + 2y2 + 5xy - 2y + 5x2 - 3y2. Match that value to one of the numbers.
1. x = 0.5, y = -1
2. x = -1, y = -3 14
3. x = , y = 9.17
4. x = 0, y = 2.5 0.44
5. x = √2, y = √2 -11.25
6. x = 2, y = -1 1.665
Answers: 1
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Substitute the values of x and y into the expression -3x2 + 2y2 + 5xy - 2y + 5x2 - 3y2. Match that v...
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