(MATH 114N Week 2 Homework Section 13-5)
1. Question: Find the square of the number 5.
2. Question: Which of the following are differences of squares?
z2 – 16, y2 + 4, 7a2 – 9, 25m2 – 16
3. Question: Factor s2 – 11 completely.
4. Question: Factor the binomial completely.
9c2 – 16
5. Question: Factor the binomial 20r2 – 245 completely.
6. Question: Factor completely.
64w2 – 9t2
7. Question: Factor the following binomial completely.
x2 + 4
8. Question: Factor c4 – 100 completely.
9. Question: Factor completely.
r4 – 1296
10. Question: Factor.
b2 + 12b + 36
11. Question: Factor.
b2 – 6b + 9
12. Question: Factor the trinomial completely.
2n2 – 4n + 2
13. Question: Factor the following.
81x2 + 18x + 1
14. Question: Factor completely.
36x2 – 60xy + 25y2
