1. Multiplying Variables &
Distributive Property
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2. Multiplying Variables
A letter that represents a given number
Exponential Form:
Expanded Form: x³
x• x • x
-b²
- b • b
(x²y)³
x²y
• x²y
• x²y
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3. Multiplying Variables
Multiply numbers with numbers and letters with letters.
Examples:
(-3) x 1 1
y (7)
(-2)(- m) (- n) 1 1
-3 x 7y
- 2mn
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4. Multiplying Variables
Multiply numbers with numbers and letters with letters.
Examples:
(4) (- a)(- a) 1 1
- ( 6ab)(8a)(- ab) 1 1 4 a² 48 a³ b²
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5. Distributive Property
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6. Distributive Property
Multiply the number or variable to every term inside the parenthesis
Distributive Property:
5 ( x )
( x ) 2
2(x) -
2(2)
5(x) +
5(3) 2x - 4 5x + 15
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7. Distributive Property
Multiply the number or variable to every term inside the parenthesis
Distributive Property:
- ( x ) 1
( 4x ) (-2)
-2 (4x) -
-2(2)
-1(x) -
-1(3)
-8x + 4 -x 1 + 3
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8. Application: DP A= b• h A= 9 A= 9(2x) + 9(3) ( ) 2x + 3 A= 18x + 27
Find the area:
A= b• h A= 9 A=
9(2x) +
9(3)
( )
2x + 3 A=
18x
+ 27
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