Simplifying Algebraic Expressions

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Presentation transcript:

Simplifying Algebraic Expressions Notes 1.3 Simplifying Algebraic Expressions

Term - Each part of an expression that is separated by an addition or subtraction sign Coefficient - The front number in each term

Constant - A constant is basically a number, generally it does not have a variable

Simplifying the expression 7x – 3x 1 + x + 10x – 8

Distributing and Simplifying 3 + 2(x+4) 3(x – 1) – (x – 9) x – 6(x - 2)

A calling card charges $1 for all phone calls up to 15 minutes and $ A calling card charges $1 for all phone calls up to 15 minutes and $.25 for each additional minute. Write and simplify an expression that gives the total cost of a phone call that lasts m minutes, where m is at least 15. Answer: 1 + 0.25(m – 15)

Homework: p. 19 18-29, 30-56