Prerequisite
1/4 + 3/4
1
Eliminating the parentheses is the ___________ property.
Distributive
Allan bought $300 worth of supplies to make tickets that he will sell at $6 each. What expression can represent this situation?
6x - 300 or -300 + 6x
If x = 2, evaluate the expression 3x - 3
3
Simplify 3x + 2x - 2
1/4 + 3/5
17/20
Rearranging the terms to a different place in the expression is _______________ property.
Commutative
Derek Jeter put $400 into a savings account. Assuming he doesn't withdraw anything from the account, he is going to deposit $25 each week into the account. What expression represents this situation?
400 + 25w or 25w + 400
Evaluate the expression -4x + 10 if x = 2
2
Simplify 4x + 4 + 0.5x + 1
4.5x + 5
-3/8 + 3/4
3/8
Grouping the terms with parentheses is called the ____________ Property.
Associative
David Ortiz sold concert tickets for $6 each. Alex Rodriguez sold his tickets for $5.50 each. What expression can represent the total amount in sales that the two sold, if each sold a different amount? USE ANY VARIABLE
6x + 5.50y or 6x + 5.5y
Evaluate -4x - 4y if x = -2 and y = 3
-4
y(2 + 4.5 + 3x)
6.5y + 3xy
-7/9 - 2/5
-53/45
The 3 in the expression 4x + 3 is called the __________.
Constant
Gerrit Cole feeds his dog 2/5 cup of dog food each day. The bag of food holds a total of 35 cups of dog food. What expression can represent the amount of dog food left after d days?
35 - 2/5d or -2/5d + 35
Evaluate the expression 1.5x - 2/4y if x = 6 and y = -2
10
-2/3( 3x - 6 )
-2x + 4
-10/12 - (- 7/8)
1/24
The 4 in the expression 4x - 2 is called the ____________.
Coefficient
An item at a store is on sale for 40% off. What expression can represent the discount amount for the item if x represents the price of the item?
0.4x or 0.40x or 2/5x
16 / 3
A gardener plans to extend the length of a rectangular garden by x feet. The garden as it sits has a length of 7ft and a width of 4 ft. Write and simplify an expression to help find the total area of the new garden if the length is extended by x feet.
4x + 28