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Vertex figures in quadratic expressions part two, featuring Shadow, Silver, Mighty, Sonic, Ray and Tails



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  • View Count:346
  • Rating:General - Intended for all ages.
  • Publish Time:2021-12-01 05:38

Vertex figures in quadratic expressions part two, featuring Shadow, Silver, Mighty, Sonic, Ray and Tails



Write (9x² - 12x + 4) as a factorized perfect square expression and find its vertex figure.

9x² - 12x + 4 = (3x - 2)²

At x = 2 / 3

9(2 / 3)² - 12(2 / 3) + 4 = 0

{3(2 / 3) - 2}² = 0

vertex figure as (2 / 3, 0)

 

Write (25x² - 20x + 4) as a factorized perfect square expression and find its vertex figure.

25x² - 20x + 4 = (5x - 2)²

At x = 2 / 5

25(2 / 5)² - 20(2 / 5) + 4 = 0

{5(2 / 5) - 2}² = 0

vertex figure as (2 / 5, 0)

 

Write (25x² - 30x + 9) as a factorized perfect square expression and find its vertex figure.

25x² - 30x + 9 = (5x - 3)²

At x = 3 / 5

25(3 / 5)² - 30(3 / 5) + 9 = 0

{5(3 / 5) - 3}² = 0

vertex figure as (3 / 5, 0)


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0 user (users) favorited this work
  • View Count:346
  • Rating:General - Intended for all ages.
  • Publish Time:2021-12-01 05:38