Algebra One CP2

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Transcript Algebra One CP2

1-1 Variables and Expressions
Algebra One CP2
Chapter 1

Variable- A symbol used to represent
unspecified numbers.

Algebraic Expressions- An expression
consisting of one or more numbers and
variables along with one or more arithmetic
operation.

Factors- The quantities being multiplied in a
multiplication expression.

Product- The result of multiplication.

Power- An expression in the form of xn.

Base- In an expression in the form xn,
x is the base.
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Exponent- In an expression in the form xn, n
is the exponent.
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Evaluate- To find the value of an expression
when the values of the variables are known.
Write an algebraic expression
for each verbal expression.

Ex. 1: m increased by 5

Ex. 2: the difference of x and 9
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Ex. 3: twice the sum of 10 and x

Ex. 4: 7 times the product of x and t
Write a verbal expression for
each algebraic expression. (Do
NOT use “plus”, “minus”, “times”, or “divided by”)
 Ex.
5: ⅓x
 Ex.
6: x2 – 40
 Ex.
7: 5 ÷ x