Mathematics 3 ESO – Unit 5 POLYNOMIALS page 43 activity 42

a)  Watch the video on “What are polynomials” and answer:

  • I)  What four elements describe the different parts of polynomials?
  • II)  What can be the value of the exponent of a variable (in a polynomial)?
  • III)  Is 3x + 4y a binomial? Why?
  • IV)  Is (3x + 1)/x a polynomial? Why?

b)  Watch the video on “Square of a Sum Example” and answer:

  • I)  What is the formula for “square of a sum”?
  • II)  Solve:
    • (x+8)²
    • (x+3)²
    • (x+10)²