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Objective: Learn how to write and evaluate algerbraic expressions

Kate bought a chocolate bar for $3 and an ice cream cone for $4.
Complete the table. Then discuss what you found.

My delicious chocolate bar Chocolate Ice cream Total Price ($)
and ice cream bar cone 2 33 4

2 3
4 5
6 7
8 9

ab

How much money did
I spend on buying a
delicious ice cream
cone and chocolate
bar?

An algebraic expression can be written using two or more variables.
Write an algebraic expression.

Write an expression to represent Base Height Area
the area of a triangle. 2 2 222
Let x the base, and let y the 3 4
height. 4 6
5 8
y x y

x

30. Algebraic Expressions 123
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