Generating Equivalent Expressions

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an equivalent expression?
Back
An equivalent expression is an expression that has the same value as another expression for all values of the variable(s) involved.
2.
FLASHCARD QUESTION
Front
How do you calculate the total cost of multiple items?
Back
To calculate the total cost, add the cost of each item together. For example, if one item costs 'a' dollars and another costs 'b' dollars, the total cost is a + b.
3.
FLASHCARD QUESTION
Front
What is the formula for the total cost of 'x' items each costing 'p' dollars?
Back
The total cost is given by the formula: Total Cost = x * p.
4.
FLASHCARD QUESTION
Front
If a book costs 'a' dollars and you buy 3 books, what is the total cost?
Back
The total cost is 3a.
5.
FLASHCARD QUESTION
Front
How do you simplify the expression 3x + 5x?
Back
Combine like terms: 3x + 5x = 8x.
6.
FLASHCARD QUESTION
Front
What is the greatest common factor (GCF) of 3x and 15?
Back
The GCF is 3.
7.
FLASHCARD QUESTION
Front
How do you factor the expression 3x + 15?
Back
Factor out the GCF: 3(x + 5).
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