Back to the lesson
Expressions and Variables flashcards
0/10
10 cards remaining
All 10 cards in this deckShow
- What does “Writing Expressions” mean?Writing Expressions
- A mathematical phrase built from quantities and operations.
- What important condition applies to writing expressions?Writing Expressions
- An expression does not assert an equality by itself.
- What does “Subtraction in Words” mean?Writing Expressions
- A difference written with the correct minuend and subtrahend.
- What important condition applies to subtraction in words?Writing Expressions
- Subtraction order changes the result.
- What does “Substitution” mean?Evaluating Expressions
- Finding an expression’s value for specified variable inputs.
- What important condition applies to substitution?Evaluating Expressions
- Use the assigned value consistently at every occurrence.
- What does “Negative Inputs and Powers” mean?Evaluating Expressions
- Careful replacement of a signed input within an exponent operation.
- What important condition applies to negative inputs and powers?Evaluating Expressions
- The expressions (−c)² and −c² have different meanings.
- What does “Combining Like Terms” mean?Combining Like Terms and the Distributive Property
- Adding coefficients of terms with the same variable part.
- What important condition applies to combining like terms?Combining Like Terms and the Distributive Property
- Matching variables must also have matching exponents.