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DEP ED NLC ENHANCEMENT-MATH7 LESSON 5 4B4C

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  • 4B1 : Simplify: (2𝑥) (5𝑥)
    10x²
  • 4B2i : For Diagram 1, write down an algebraic expression for each of Area 1 and Area 2
    Area 1= 6𝑥²; Area 2= 10𝑥
  • 4C2i : For Diagram 2, write down an algebraic expression for each of Area 3 and Area 4
    Area 3= 6𝑥; Area 4= 9
  • 4C3ii : From what she has discovered, what should Ellen write as the algebraic products of (7𝑥 − 5𝑦)² ?
    49𝑥² − 70𝑥𝑦 + 25𝑦²
  • 4B2ii : For Diagram 1, write down an algebraic expression for each of Area 3 and Area 4
    Area 3= 9𝑥; Area 4= 15
  • 4C2i : For Diagram 2, write down an algebraic expression for each of Area 1 and Area 2
    Area 1= 4𝑥²; Area 2= 6𝑥
  • 4C2ii : What is the simplest way to write the algebraic product (2𝑥 + 3)² ?
    4𝑥² + 12𝑥 + 9
  • What is the simplest way to write the algebraic product (2𝑥 + 3)(3𝑥 + 5)?
    6𝑥² + 19𝑥 + 15
  • 4C3ii : From what she has discovered, what should Ellen write as the algebraic products of (2𝑥 − 𝑦)(4𝑥² + 2𝑥+ 𝑦²) ?
    8𝑥³ − 𝑦³
  • 4B3 : From what she has discovered, what should Ellen write as the algebraic product of (5𝑥 + 3𝑦) and (2𝑥 − 𝑦)?
    10𝑥² + 𝑥𝑦 − 3𝑦²
  • 4C1 : Expand (4𝑥) (2𝑥 − 1)
    8𝑥² - 4𝑥