Evaluating Algebraic Expressions

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Presentation transcript:

Evaluating Algebraic Expressions

6 + 2x Variable: Constant: Expression: Is a quantity that can change or vary. Mathematicians use letters to represent variables. Constant: A quantity that does not change. Expression: Is a mathematical phrase involving constants, variables, and operation symbols.

Evaluate each expression for x=1, 2, and 3.

Evaluate each expression for x=3, 4, and 5.

Evaluate each expression for x=6, 7, and 8.

Evaluate each expression for x=2, 4, and 6.

Evaluate each expression for x=1, 2, and 3. 𝟏𝟖 𝒙 1 2 3

Evaluate each expression x= 3, 4, 5. 7x 2. 15-x 3. 60 𝑥 4. x + 23

Evaluate each expression for n = 5. (3n + 5n)10 12 x 𝑛 2