1. Evaluating Expressions
Section 1.1
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1.1: Evaluate Expressions

2. Evaluating Expressions
Variable is a letter used to represent one or more numbers.
Algebraic expression consists of numbers, variables, and operations.
Evaluate is to substitute a number for the variable
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1.1: Evaluate Expressions

3. 1.1: Evaluate Expressions
Example 1
Evaluate the variable when a = 2, b = 3, and c = 4 for a + b.
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1.1: Evaluate Expressions

4. 1.1: Evaluate Expressions
Example 2
Evaluate the variable when a = 2, b = 3, and c = 4 for c – 2a.
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1.1: Evaluate Expressions

5. 1.1: Evaluate Expressions
Your Turn
Evaluate the variable when a = 2, b = 3, and c = 4 for 5c – 2b.
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1.1: Evaluate Expressions

6. 1.1: Evaluate Expressions
Exponents
Power or Exponents are an expression that represents repeated multiplication.
Base is the number or expression that is used as a factor in a repeated multiplication
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1.1: Evaluate Expressions

7. 1.1: Evaluate Expressions
Example 3
Write 52 in words and as a product.
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1.1: Evaluate Expressions

8. 1.1: Evaluate Expressions
Your Turn
Write z5 in words and as a product.
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1.1: Evaluate Expressions

9. 1.1: Evaluate Expressions
Example 4
Evaluate k2 when k = 2.5.
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1.1: Evaluate Expressions

10. 1.1: Evaluate Expressions
Your Turn
Each edge of the medium sized pop-up storage cube shows it is 14 inches long. The storage cube is made so that it can be folded flat when not in use. A) Find the volume of the storage cube using equation, V = s3 and B) if the cube is folded flat to form a square, what is the area of the square? Hint: Draw a picture.
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1.1: Evaluate Expressions

11. 1.1: Evaluate Expressions
Assignment
Page 5: 4-44 Every 4th Make sure to ADD me on TWITTER or LIKE me on FACEBOOK Bring a 3-Ring 1.5” binder and 5 tabs by Wednesday/Thursday
5/8/2019
1.1: Evaluate Expressions