1 1 Notes Algebra 1 Variables and Expressions
1 -1 Notes Algebra 1 Variables and Expressions
Algebraic Expression Consist of variables, numbers and operations.
Variables Symbols or letters used to represent unspecified numbers and values.
Term May be a number or variable or a product or quotient of numbers and variables.
Factors The quantities being multiplied in a multiplication expression
Product The answer to a multiplication expression
Exponent (power) Indicates the number of times the base is used as a factor.
Base The number that is used as a factor in an exponential expression
Exponent-4 Base-2 (2)(2) = 16
Example 1 pg. 5 Write a verbal expression •
Example 1 pg. 5 Write a verbal expression •
Example 2 pg. 6 Write Algebraic Expressions Write an algebraic expression for each verbal expression. 1. ) 5 less than a number c 2. ) 9 plus the product of 2 and d 3. ) two fifths of the area a
Example 2 pg. 6 Write Algebraic Expressions •
Example 3 pg. 6 Write an expression Mr. Nehru bought two adult tickets and three student tickets for the planetarium show. Write an algebraic expression that represents the cost of the tickets
Example 3 pg. 6 Write an expression •
1 -1 pg. 7 11 -33 o, 34 -40, 43 -61(x 3)
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