Worksheet: Identifying Polynomials

In this worksheet, we will practice identifying polynomial expressions.

Q1:

Which of the following functions is a polynomial?

  • A𝑓(𝑥)=𝑥𝑥+𝑥17
  • B𝑓(𝑥)=𝑥+17𝑥
  • C𝑓(𝑥)=18
  • D𝑓(𝑥)=𝑥+17
  • E𝑓(𝑥)=𝑥+𝑥+17

Q2:

Which of the following functions is a polynomial?

  • A𝑓(𝑥)=𝑥𝑥+𝑥44
  • B𝑓(𝑥)=𝑥+44𝑥
  • C𝑓(𝑥)=45
  • D𝑓(𝑥)=𝑥+44
  • E𝑓(𝑥)=𝑥+𝑥+44

Q3:

Which of the following functions is a polynomial?

  • A𝑓(𝑥)=𝑥𝑥+𝑥41
  • B𝑓(𝑥)=𝑥+41𝑥
  • C𝑓(𝑥)=42
  • D𝑓(𝑥)=𝑥+41
  • E𝑓(𝑥)=𝑥+𝑥+41

Q4:

Which of the following expressions are polynomials?

  1. 𝑥+5𝑥𝑦2
  2. 𝑥𝑦
  3. 𝑥𝑦
  4. 5𝑥4𝑥𝑦
  • Ac and d
  • Ba and c
  • Ca and b
  • Da and c
  • Eb and d

Q5:

True or False: The expression 𝑥+3𝑥2 is polynomial.

  • ATrue
  • BFalse

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