#### MMathematics 1 ESO – Unit 9 LINEAR EQUATIONS Page 84 Activity 2

Watch the video on “What’s a Variable?” and answer:

- a) What is a “variable”?
- b) Can letter “c” be a “variable”? Why?

Watch the video on “What’s a coefficient?” and answer:

- a) What is a “coefficient”?
- b) in the term “6x”, what is the “coefficient”? Why?

Watch the video on “What is a term in Algebra?” and answer:

- a) What 3 things can be a “term”?
- b) Is “24” a “term”? Why?
- c) Is “y” a “term”? Why?
- d) Is “24y” a “term”? Why?

Watch the video on “What’s a Term in a Polynomial?” and answer:

- a) What is a “term”?
- b) How many “terms” are in the “expression” “3x
^{2}+ x – 4”? Why?