EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..
-
Upload
scot-hodge -
Category
Documents
-
view
245 -
download
3
description
Transcript of EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..
![Page 1: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/1.jpg)
Expressions, Equations and Inequalities
Ch. 1.3 Algebraic Expressions
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 2: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/2.jpg)
Bell WorkSimplify the expressions1. 3X + 6X - X + 4Y2. 2(X + Y) - 2X3. X(X + W) + XW - W
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions.
.
![Page 3: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/3.jpg)
Algebraic ExpressionsREAD
The difference between a numeric expression and an algebraic expression is that an algebraic expression contains one or more variables.
These variables model a changing or unknown number, and the expression may have different values depending on this quantity. Algebraic expressions can be mathematical models for the real-world situations.
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 4: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/4.jpg)
Modeling words with algebraic expressions
Write the algebraic expression that models the word phrase seven fewer than a number t.
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 5: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/5.jpg)
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
Modeling words with algebraic expressions
Now you try…
1. Write the algebraic expression for the word phrase two times the sum of a and b.
2. Write the algebraic expression for the word phrase the quotient of the difference between 5 and a number n, and 2.
![Page 6: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/6.jpg)
Modeling a SituationYou start with $20 and save $6 each week. Write an algebraic expression that models the total amount you save?
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 7: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/7.jpg)
Modeling a SituationNow you try…
You had $150, but you are spending $2 each day. What algebraic expression models that situation?
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 8: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/8.jpg)
Evaluating Algebraic Expressions
What is the value of the expression for the given values of the variables?
7(a+4) + 3b – 8 a=-4 and b= 5
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 9: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/9.jpg)
Evaluating Algebraic Expressions
Now you try…
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 10: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/10.jpg)
Simplifying Algebraic Expressions
Combine like terms. What is a simpler form of each expression?
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 11: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/11.jpg)
Simplifying Algebraic Expressions
Now you try…
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .
![Page 12: EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions..](https://reader036.fdocuments.net/reader036/viewer/2022062306/5a4d1b267f8b9ab0599974ef/html5/thumbnails/12.jpg)
Closure(On your bell sheet)
Describe what an algebraic expression is? What are the parts of an algebraic
expression? How can algebraic expressions be used to represent real-
world situations?
EQ: How do you evaluate algebraic expressions? I Will... Evaluate algebraic expressions. .