Question

Question 4(Multiple Choice Worth 3 points)

Which polynomial expression represents the area of the outermost square tile, shown below?


x2 + 6x − 6
x2 − 9x + 6
x2 + 6x − 9
x2 − 6x + 9

Answer 1

side of the square tile = x-3  ⇒  Area = (x-3)² = x² - 6x + 9