Two mark exercise problems - VII — task. Mathematics State Board, Class 9.

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Answer variants:

{2 x}^{4} - {3 x}^{3} - {5 x}^{2} - 5 x + 6

- x^{3} - {8 x}^{2} + 11 x + 7

{2 x}^{4} + {3 x}^{3} + {5 x}^{2} - 5 x + 6

x^{3} + {8 x}^{2} + 11 x + 7

{2 x}^{4} - {3 x}^{3} + {5 x}^{2} - 5 x + 6

x^{3} - {8 x}^{2} + 11 x + 7

1. What should be added to \(2x^3 + 6x^2 - 5x + 8\) to get \(3x^3 - 2x^2 + 6x + 15\)?

Answer:

The polynomial is

2. What must be subtracted from \(2x^4 + 4x^2 - 3x + 7\) to get \(3x^3 - x^2 + 2x + 1\)?

Answer:

The polynomial is

Did you find an error?

12. Two mark exercise problems - VII