10 Questions
What does an algebraic expression typically consist of?
Letters and numbers
In the expression 4y, what does the '4' represent?
Number of y's
What does '3x + 2x' simplify to?
5x
Why do we call the process of combining like terms 'simplifying'?
To make the expression easier to understand
How are 'like terms' defined in algebra?
Terms with the same variable and exponent
In the expression 3x + 2x + 6y, which terms can be combined?
3x and 2x
What is the simplified form of 4x + 7x + 2y + 7y?
11x + 9y
Using the analogy of puppies and kittens, why can't we combine x's and y's in an expression?
Because x's represent different items than y's
In the expression 3x + 8y + 4x + 7y, why do we need to combine like terms?
To simplify and organize the expression
What is the simplified form of 7x + 15y?
22xy
Learn about addition expressions in algebra, where mathematical expressions involving the addition operator are explored. Algebraic expressions, which combine letters and numbers, are discussed in detail. Gain a better understanding of how to simplify and solve algebraic expressions involving addition.
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