Lesson Worksheet: Proving Polynomial Identities Mathematics

Start Practising

In this worksheet, we will practice proving polynomial identities.

Q1:

Determine which of the following expressions is equivalent to (𝑥+𝑦+𝑧).

  • A2𝑥+2𝑦+2𝑧
  • B2𝑥+2𝑦+2𝑧+𝑥𝑦+𝑥𝑧+𝑦𝑧
  • C𝑥+𝑦+𝑧+𝑥𝑦+𝑥𝑧+𝑦𝑧
  • D𝑥+𝑦+𝑧
  • E𝑥+𝑦+𝑧+2𝑥𝑦+2𝑥𝑧+2𝑦𝑧

Q2:

Is the equation 𝑥−𝑦=(𝑥+𝑦)(𝑥−𝑦)(𝑥+𝑦) an identity?

  • ANo
  • BYes

Q3:

Is the equation 𝑥−𝑦𝑥−𝑦=𝑥+𝑦 an identity?

  • ANo
  • BYes

Q4:

Is the equation 𝑥−𝑦=(𝑥−𝑦)𝑥+𝑥𝑦+𝑦 an identity?

  • AYes
  • BNo

Q5:

Is the equation 𝑥+𝑦𝑥+𝑦=𝑥+𝑦 an identity?

  • AYes
  • BNo

Q6:

Is the equation 𝑥+𝑦𝑥+𝑦=𝑥+𝑦 an identity?

  • AYes
  • BNo

Practice Means Progress

Boost your grades with free daily practice questions. Download Nagwa Practice today!

scan me!

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.