Define: Sum
To add; use addition
What property allows you to switch the order of addition or multiplication?
Commutative Property
Like terms have the same _____, _____, or ______
Variable, exponent, or constants
How do you find the perimeter of a polygon?
Add all sides (combine only like terms)
Write the expression:
Fifteen less than 2x
2x - 15
Define: Product
To multiply; use multiplication
Which property allows you to multiply by zero and get zero?
Zero Property
What are the like terms in the expression:
2x + 3 + 5x +2x2+7
2x and 5x
3 and 7
How do you find the area of a polygon?
Multiply length and width (combine like terms)
Write the expression:
The quotient of 10 and a number n taken from 20.
20 - (10/n)
Define quotient and give an example
To divide; use division
What property is shown:
(2 + x) + 7 = 2 + (x + 7)
Associative Property
Simplify the expression (combine like terms)
10x - 2x + 3y -7 +y
8x + 4y - 7
Find the perimeter of a triangle with the side lengths: (x + 2), (2x), (x + 2)
4x + 4
Write and evaluate:
Twice the product of 5 and x when x = 11
2(5x)
2(5 x 11) = 110
What operation(s) are shown:
2 / (5 + 2)
Division and addition
What properties are shown:
(17 + y) + 7 = (y +7) + 17
Associative and Commutative Property
Simplify the expression (combine like terms)
7(x + y) + 3x - 2x2
10x + 7y -2x2
Find the area AND perimeter of the square with the side length of (x).
Area: x2
Perimeter: 4x
Evaluate:
2x2+ 5x - 20 when x = 4
2(16) + (5x4) - 20 = 32
What operation(s) are shown:
2(2x + 3y) - 22
Multiplication, addition, subtraction
What property is used in step 2 ??
1: 7(5 + 8)
2: (7 x 5) + (2 x 8)
3: (35)+ (16)
4: 51
Distributive
Simplify the expression (combine like terms):
2x(x + 3) - 10 + 4x2+ 10 - x
6x2+ 5x
Find the area AND perimeter of the rectangle with a width of (5x) and a length of (x + 3)
Area: 5x2+ 15x
Perimeter: 12x + 6
Maggie is selling flower pots for $5.50 a piece. She made an initial investment of $100. Using 5.50n - 100, where n is the number of pots, what is Maggie’s profit after selling 30 flower pots?