ATM: Sec. P.5
Learning Goal: The students will factor polynomials using
the difference of squares and factoring trinomials where a
= 1 methods
Math Standard: MAFS.912.A-SSE.1.2
Answers to P.5 practice 1-7 odd, 9-14all
1. 4(3a+5)
3. 7𝑣𝑣 3 (2𝑣𝑣 2 − 5)
5. 1(2𝑐𝑐 − 7𝑑𝑑 3 )
7. 6𝑎𝑎2 𝑛𝑛(𝑎𝑎2 − 3𝑎𝑎 + 2)
9. (z+3)(v+2)
10. (6b+1)(c+2)
11.(5a-1)(a+y)
13. 5(𝑛𝑛2 − 3)(𝑛𝑛 + 2)
12. (2𝑤𝑤 − 5𝑥𝑥 2 )(𝑥𝑥 3 − 4𝑧𝑧)
14. −2𝑓𝑓(𝑘𝑘 2 − 2)(3𝑘𝑘 − 2)
Example 1: 𝑥𝑥 2 − 4
Example 3: 𝑥𝑥 2 + 16
Factor completely
Example 2: 81𝑥𝑥 2 − 49
Factor Completely (from p5 factoring practice)
23. 𝑦𝑦 2 − 8𝑦𝑦 + 7
27. 𝑚𝑚2 − 𝑚𝑚 − 6
25. 𝑎𝑎2 + 3𝑎𝑎 − 10