Algebra - Factorisation - Cross method (monics).
Test Yourself 1 - solutions.
Solutions for each of the factorisations in the Cross Method Test Yourself 1 are summarised in the following table.
Some selected comments can be obtained by hovering over HINT where included.
| Type of question | No. | No. | ||
| Both signs positive. | 1. |
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2. |
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4. | ![]() |
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| Signs are negative then positive respectively. | 5. |
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6. | ![]() |
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8. | ![]() |
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| Signs are positive then negative respectively. | 9. | ![]() |
10. | ![]() |
| 11. |
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12. |
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| Signs are both negative. | 13. |
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14. |
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16. |
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| Randoms. | 17. |
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18. | ![]() |
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20. | ![]() |