# Rewriting Algebraic Expressions Using Structure

Instructions:

question 1 of 3

### If x + y = 2y, what is x - y?

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### 2. We have the expression x - y = 1. What is x + y?

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What do you know about rewriting algebraic expressions? Take this quiz and answer questions on key subjects such as x - y when x + y = 2y and x + y when 2xy = x.

## Quiz & Worksheet Goals

You'll be answering questions on the following:

• x + y when x - y = 1
• x/y when x + y = 2x
• y - x when x/y = y + 1

## Skills Practiced

• Problem solving - use acquired knowledge to solve practice problems that involve the act of rewriting algebraic expressions
• Knowledge application - use your knowledge to answer questions about x + y when x - y = 1 and x + y when 2xy = x
• Information recall - access the knowledge you've gained regarding x - y when x + y = 2y