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IM Alg2.2.23 Practice: Polynomial Identities (Part 1)

Author:GeoGebra Classroom Activities, IM Algebra 1, Geometry, Algebra 2

Select all the identities:​​​​

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
Check my answer (3)

Is an identity? Explain or show your reasoning.

Mai is solving the rational equation  for . What move do you think Mai would make first to solve for ? Explain your reasoning.

For -values of 0 and -2, . Does this mean the equation is an identity? Explain your reasoning.

Clare finds an expression for that gives the surface area in square inches of any cylindrical can with a specific fixed volume, in terms of its radius r in centimeters. This is the graph Clare gets if she allows  to take on any value between -1.2 and 3. What would be a more appropriate domain for Clare to use instead?

What is the approximate minimum surface area for her can?

Which values of x make  true?

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