Understanding Word Problems: Equivalent Expressions
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Beginner
Start here! Easy to understand
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Beginner Explanation
Equivalent expressions are different ways of writing the same mathematical idea, such as $3x + 9$ and $3(x + 3)$.
Practice Problems
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1
Quick Quiz
Single Choice Quiz
Beginner
Which of the following is equivalent to $2(x + 3)$?
Please select an answer for all 1 questions before checking your answers. 1 question remaining.
2
Real-World Problem
Question Exercise
Intermediate
Teenager Scenario
If a cell phone plan charges $5x + 20$ dollars monthly, and $x$ is the number of gigabytes used, find an equivalent expression in terms of $x$.
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3
Thinking Challenge
Thinking Exercise
Intermediate
Think About This
Determine if the expressions $x^2 - 4$ and $(x - 2)(x + 2)$ are equivalent.
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4
Challenge Quiz
Single Choice Quiz
Advanced
Which expression is equivalent to $3(x^2 + 4x + 4)$?
Please select an answer for all 1 questions before checking your answers. 1 question remaining.
Recap
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