CCCA - Weebly

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Transcript CCCA - Weebly



Identifying Parts
Guided NOTES
 Can
have variables, numbers, addition,
subtraction, multiplication, division, parenthesis,
square roots, exponents…
 Examples:
x2
3  x  2
5b  7 c  d
5 xy
 Symbols
or letters used to represent an
unknown
 Examples:
x



 Items
are being added or subtracted
 Examples:
2
5a  2 xy  3
3
P  2x
2
a b
4
 Same
variable raised to the same power
 Examples:
2
2
5x y and 8 x y
2
7y and 22y
2
 The
number in front of a variable
 Examples:
123 xy
3 2
123
9xy z
9
x
1
 The
number up in the air next to a base
 The number of times you multiply something
times itself
 Examples:
3
3
12
12
2
x
4
3y  7
4
 What
the exponent sits on
 The part that has been raised to a power
 Examples:
3
2
12
x
2
x
4
3y  7
y
A
number that has no variable
 It can be positive or negative
 Examples:
42
-42
3x  5
5
2
4
5 x  3y  8
-8
 Items
that are being multiplied together
 Can be numbers, variables, parenthesis
 Examples:
6 1 and 6…. Or 2 and 3
9xy 9 and x and y
 x  2  y  3  (x + 2) and (y – 3)
3  z  9 3 and (z – 9)
 Simplify
inside parenthesis
 Take care of exponents
 In order from left to right, multiplication or division
 In order from left to right, addition or subtraction
 Examples:
5  3  2  1  4
2
-18
Sum
Plus
Add
More
Than
Increased
Together
Difference
Minus
Decreased
Less
Than (swaps the order)
Take away
Quotient
Half
Divide
by
Product
Twice
Double
Triple
Times
Square
Cubed
To
the power of
Raised to a power
1. Five times a number increased by 5 is
the same as 3 times the same number
decreased by 7.
2. Four times a number plus 10 minus two
times the same number is 6.