Upcoming SlideShare
×

# Evaluating expressions notes

380
-1

Published on

Published in: Technology, Education
0 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

• Be the first to like this

Views
Total Views
380
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
5
0
Likes
0
Embeds 0
No embeds

No notes for slide

### Evaluating expressions notes

1. 1. EvaluatingEvaluating ExpressionsExpressions Algebra 1Algebra 1 Vocabulary NotesVocabulary Notes
2. 2. VariableVariable  A letter used to represent one or more numbers.A letter used to represent one or more numbers.  Example: x, y, z, k, m, n, etc.Example: x, y, z, k, m, n, etc.
3. 3. Algebraic ExpressionAlgebraic Expression  Is an expression that includes at least oneIs an expression that includes at least one variable.variable.  Ex: x+3, 2y, x+zEx: x+3, 2y, x+z
4. 4. Evaluating an ExpressionEvaluating an Expression  To solve (perform the operation) the expressionTo solve (perform the operation) the expression  By substituting for each variable.By substituting for each variable.
5. 5. PowerPower  An expression that represents repeatedAn expression that represents repeated multiplication of the same factor. It can bemultiplication of the same factor. It can be written using a base and an exponent.written using a base and an exponent.
6. 6. BaseBase  Is the factor multiplied in a power operation.Is the factor multiplied in a power operation.  Example:Example: YY44 = y . y . y . y= y . y . y . y The Y is called the base.The Y is called the base.
7. 7. ExponentExponent  Represents the number of times that the baseRepresents the number of times that the base should be multiplied.should be multiplied. Example:Example: YY44 = y . y . y . Y= y . y . y . Y The 4 is called the exponent.The 4 is called the exponent.
8. 8. Guided PracticeGuided Practice Evaluate the expression when n=4.Evaluate the expression when n=4. 1. 111. 11·· nn 2. 12/n2. 12/n 3. n-33. n-3
9. 9. CheckpointCheckpoint Evaluate the expression when y=8.Evaluate the expression when y=8. 1. 7y1. 7y 2. y÷22. y÷2 3. 10 – y3. 10 – y 4. y + 64. y + 6
10. 10. Guided PracticeGuided Practice Write the power in words and as a product.Write the power in words and as a product. POWERPOWER WORDSWORDS PRODUCTPRODUCT 121211 2233 (1/4)(1/4)22 aa44
11. 11. CheckpointCheckpoint  Write the power in words and as a productWrite the power in words and as a product POWERPOWER WORDSWORDS PRODUCTPRODUCT 7755 (1/3)(1/3)22 (1.4)(1.4)33 xx55
12. 12. Guided PracticeGuided Practice Evaluate the expression:Evaluate the expression: 1. y1. y33 when y=3when y=3 2. a2. a55 when a=1.2when a=1.2
13. 13. CheckpointCheckpoint Evaluate the expression:Evaluate the expression: 1. t1. t22 when t=3when t=3 2. m2. m55 when m=1/2when m=1/2
14. 14. INDEPENDENT PRACTICEINDEPENDENT PRACTICE  Algebra 1 book, page 5Algebra 1 book, page 5 Problems: 10, 12, 19, 22, 32, 35, 38, 40, 42, 44Problems: 10, 12, 19, 22, 32, 35, 38, 40, 42, 44
1. #### A particular slide catching your eye?

Clipping is a handy way to collect important slides you want to go back to later.
{"found_math": false, "script_math_tex": 0, "script_math_asciimath": 0, "math_annotations": 0, "math_alttext": 0, "mathml": 0, "mathjax_tag": 0, "mathjax_inline_tex": 0, "mathjax_display_tex": 0, "mathjax_asciimath": 0, "img_math": 0, "codecogs_latex": 0, "wp_latex": 0, "mimetex.cgi": 0, "/images/math/codecogs": 0, "mathtex.cgi": 0, "katex": 0, "math-container": 0, "wp-katex-eq": 0, "align": 0, "equation": 0, "x-ck12": 0, "texerror": 0}