Lesson: Advance Algebra - 11t01

Practice Factoring Out

[Page 11 of 23]

Click on the appropriate oval to pick an answer, then click Continue.

 

 Column A
Column B

x <0

(x + 4)(x +5)
(x + 2)(x + 10)
 

   Column A is greater

   Column B is greater

   The columns are equal

   The relationship cannot be determined

Expanding Column A's binomial yields .

Expanding Column B's binomial yields .

Dropping like terms in both expressions, we find that Column A contains 9x, and Column B, 12x. Since x < 0, Column A is always greater than Column B.

You can double-check your choice by picking numbers like –1, –2, and .

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