Page 28 - MODULE 1 Q1MATH8

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Activity 2: Finding the Roots! Questions: Answers may vary
Activity 3: Similarities and Differences
2. 16a2b2 – 49c4
(4ab • 4ab); (7c2 • 7c2) (4ab + 7c2) (4ab – 7c2)
3. 81r2 – 9s12
(9r • 9r); (3s6 • 3s6) (9r + 3s6) (9r – 3s6)
4. 27t6 – 12u6
3(9t6 – 4u6)
3[(3t3 • 3t3); (2u3 • 2u3)] 3[(3t3 + 2u3) (3t3 – 2u3)]
5. 25x2 – 49y4
(5x • 5x); (7y2 • 7y2) (5x + 7y2) (5x – 7y2)
Activity 4: Generalization Answers may vary
Activity 5: Pair and Pair! Students’ Choice of Pairs
Examples:
1. 36m8n6 – 81
4. u18 - 100
5. f12 – 121h18
2. 144q10r12 – 81 3. (x+3)2 – u18
Lesson 3: Factoring: Sum or Difference of Two Cubes
Activity 1: Generalization
1. (g–h)(g2 +gh+h2)
2. (8g–h2)(64g2 +8gh2 +h4)
3. (8g – 3h2) (64g2 + 24gh2 + 9h4)
Activity 2: My Turn to Find the Factors!
1. (10d + 9e2) (100d2 – 90de2 + 81e4)
2. (4f3 –2)(16f6 +8f3 +4)
3. (h+5)(h2 –5h+25)
4. (6k4 –l)(36k8 +6k4l+l2)
5. (7v + 3) (49v2 – 21v + 9)
Post Test
I. Multiple Choices
II. True or False 1.False 4.False 2.False 5.False 3.True
1. D 2. B 3. A
4.C 5.D