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Questions and Answers
Which of the following is an algebraic expression?
Which of the following is an algebraic expression?
- 3 / 2 = 1.5
- 2 + 3 = 5
- x + y = z (correct)
- 2 * 3 = 6
Which of the following is not an algebraic expression?
Which of the following is not an algebraic expression?
- 2x + 3y
- 3 - 2
- 4 * 5
- 5 + 3 (correct)
Which of the following is an example of a simplified algebraic expression?
Which of the following is an example of a simplified algebraic expression?
- 2x + 3y + x
- 2x + 3y + 2x (correct)
- 2x + 3y + 5x
- 2x + 3y + xy
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Study Notes
Algebraic Expressions
- An algebraic expression is a mathematical phrase that consists of variables, constants, and mathematical operations.
- Algebraic expressions can involve addition, subtraction, multiplication, and division, as well as exponentiation and root extraction.
- Examples of algebraic expressions include 2x + 3, 5x - 2, and x^2 + 4x - 5.
Non-Algebraic Expressions
- Expressions that involve inequalities, such as 2x + 3 > 5, are not algebraic expressions.
- Equations, such as 2x + 3 = 5, are also not algebraic expressions.
Simplified Algebraic Expressions
- A simplified algebraic expression is an expression that has been reduced to its simplest form.
- Example: 2(x + 3) can be simplified to 2x + 6, which is a simplified algebraic expression.
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