Evaluating Expressions

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Presentation transcript:

Evaluating Expressions Section 1.1 7/3/2019 1.1: Evaluate Expressions

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 7/3/2019 1.1: Evaluate Expressions

1.1: Evaluate Expressions Example 1 Evaluate the variable when a = 2, b = 3, and c = 4 for a + b. 7/3/2019 1.1: Evaluate Expressions

1.1: Evaluate Expressions Example 2 Evaluate the variable when a = 2, b = 3, and c = 4 for c – 2a. 7/3/2019 1.1: Evaluate Expressions

1.1: Evaluate Expressions Your Turn Evaluate the variable when a = 2, b = 3, and c = 4 for 5c – 2b. 7/3/2019 1.1: Evaluate Expressions

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 7/3/2019 1.1: Evaluate Expressions

1.1: Evaluate Expressions Example 3 Write 52 in words and as a product. 7/3/2019 1.1: Evaluate Expressions

1.1: Evaluate Expressions Your Turn Write z5 in words and as a product. 7/3/2019 1.1: Evaluate Expressions

1.1: Evaluate Expressions Example 4 Evaluate k2 when k = 2.5. 7/3/2019 1.1: Evaluate Expressions

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. 7/3/2019 1.1: Evaluate Expressions

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 7/3/2019 1.1: Evaluate Expressions