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Mathematics 2 ESO – Unit 6 POLYNOMIALS extra activities

1  –  Watch the video on “What Is the Coefficient of a Monomial?” and answer:

    • a) Can number 7 be a coefficient? Why?
    • b) What is the relation between the coefficient and the variable?
    • c) Find the value of the monomial 4x2 for:
      • I)  x = 5
      • II)  x = -1
      • III)  x = 0

2  –  Watch the video on “Multiplying monomials” and answer:

    • a) What properties we use to solve multiplication of monomials example in the video?
    • b) Why is the resulting coefficient “15”?
    • c) Why is the resulting exponent “7”?
    • d) Solve:
      • I)  (3x2)(2x)
      • II)  (-2n2)(-2x3)

3  –  Watch the video on “The parts of polynomial expressions ” and answer:

  • a) What is the third term of the polynomial in the video?
  • b) Why can we call the 7 as a coefficient?
  • c) What is exponent of the second term? Why?