Standard: Algebraic Functions 1.0 and 1.1 Students evaluate expressions with variables.

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Presentation transcript:

Standard: Algebraic Functions 1.0 and 1.1 Students evaluate expressions with variables.

 Algebraic Expression – an expression that includes a variable  Variable-a symbol that stands for a number  Examples of Expressions  X+4  11+a  d+9  Variables  a,b,c,d,e…

 If x=3  X+7  Answer: 10

 If m=8  15+m

 If x=3 x=4 x=5  10+x Example  Three answers The answers are =13 =14 =15

 If x=4 x= 6 x=8  x  2. x+3  3. 11x

xX = = =

 =21  25-6=19  25-8=17  =7  6+3=9  8+3= 11  3. 11(4)=44  11(6)=66  11(8)= 88

 Now you are ready for Independent Practice in Lesson 2-10 Math book  Homework Lesson 2-10