
Unit 4 Expressions review
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the Greatest Common Factor (GCF)?
Back
The GCF is the largest number that divides two or more numbers without leaving a remainder.
2.
FLASHCARD QUESTION
Front
How do you factor an expression using the GCF?
Back
To factor an expression using the GCF, identify the largest factor common to all terms in the expression and factor it out.
3.
FLASHCARD QUESTION
Front
Factor the expression 30b - 6c using the GCF.
Back
6(5b - c)
4.
FLASHCARD QUESTION
Front
What is an algebraic expression?
Back
An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.
5.
FLASHCARD QUESTION
Front
Write an expression for the total cost of n pounds of nails at $1.29/lb, w pounds of washers at $0.79/lb, and b pounds of bolts at $2.39/lb.
Back
1.29n + 0.79w + 2.39b
6.
FLASHCARD QUESTION
Front
What is the value of the expression 30b - 6c when b = -4 and c = 1?
Back
-126
7.
FLASHCARD QUESTION
Front
How do you evaluate an algebraic expression?
Back
To evaluate an algebraic expression, substitute the values of the variables into the expression and perform the operations.
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