Evaluating Algebraic Expressions Retake

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables (like x or y), and operations (like addition, subtraction, multiplication, and division).

Front

Evaluate the expression for h = 7: 3h

Back

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Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

Evaluate the expression for b = 7: b - 5

Back

2

Front

What is a variable in algebra?

Back

A variable is a symbol (usually a letter) that represents an unknown number.

Front

Evaluate the expression for a = 6, b = 4: 2a - b

Back

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Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Evaluate the expression for y = 11, z = 2: y + z

Back

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Front

What is the purpose of parentheses in algebraic expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

Evaluate the expression for m = 3, n = 5: m + 4n

Back

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