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JSS2: MATHEMATICS - 2ND TERM

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  1. Transactions in the Homes and Offices | Week 1
    5 Topics
    |
    1 Quiz
  2. Expansion and Factorization of Algebraic Expressions | Week 2
    4 Topics
    |
    1 Quiz
  3. Algebraic Expansion and Factorization of Algebraic Expression | Week 3
    4 Topics
    |
    1 Quiz
  4. Algebraic Fractions I | Week 4
    4 Topics
    |
    1 Quiz
  5. Addition and Subtraction of Algebraic Fractions | Week 5
    2 Topics
    |
    1 Quiz
  6. Solving Simple Equations | Week 6
    4 Topics
    |
    1 Quiz
  7. Linear Inequalities I | Week 7
    4 Topics
    |
    1 Quiz
  8. Linear Inequalities II | Week 8
    2 Topics
    |
    1 Quiz
  9. Quadrilaterals | Week 9
    2 Topics
    |
    1 Quiz
  10. Angles in a Polygon | Week 10
    4 Topics
    |
    1 Quiz
  11. The Cartesian Plane Co-ordinate System I | Week 11
    3 Topics
    |
    1 Quiz
  12. The Cartesian Plane Co-ordinate System II | Week 12
    1 Topic
    |
    1 Quiz



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Example 7 

Find the Highest Common Factors (HCF) of

(a) 3a2by and 2a2 b2 y2

(b) 4ab and 6b2

Solution

Screen Shot 2021 05 05 at 3.26.27 PM

 HCF = a x a x b x y

= a2by

b.

Screenshot 2022 03 27 at 19.41.09

HCF = 2 x b 

= 2b

Evaluation 

Find the Highest Common Factor (HCF) of the following 

  1. 4xy and 8xyz 
  2. 5x2y and 4x
  3. mn2, 2m2n and 3mn 
  4. 12a2c  and 15a3c2

Answers 

  1. 4x
  2. xy
  3. mn
  4. 3a2

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