Polynomials: The Shmoop Factor True or False

1. Factor x2 – 6x + 9->(x + 3)2
2. Factor x2 + 8x + 16->(x + 8)2
3. Factor x2 – 14x + 49->(x – 2)2
4. Solve x2 – 64 = 0->x = -9, 9
5. Solve x2 – 81 = 0->x = -9, 9
6. Factor x3 + 1->(x + 1)(x2x + 1)
7. Factor x3 – 1->(x – 1)(x2 + x + 1)
8. What are the correct coefficients when we expand (xy)4?->1, 3, 9, 3, 1
9. What are the correct coefficients when we expand (m + n)5?->1, 2, 3, 3, 2, 1
10. What is the correct first term of the expansion (3c – 3b2)4?->27c4

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