Rewriting Algebraic Expressions Using Structure


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question 1 of 3

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

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1. If 2xy = x2, what is x + y?

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

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About This Quiz & Worksheet

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

Additional Learning

Keep learning about the process of rewriting equations with the lesson named Rewriting Algebraic Expressions Using Structure. Here are some key equations to consider:

  • xy when x + y = 0
  • x - y when x + 4y = x
  • (x + y)/x when x - 2y = xy