Vocabulary
One-Step Equations
Properties of Operations
Discounts
Account Balance
100
This is a letter in math that represents an unknown.
Variable
100
4+b=7
b=3
100
a + (-a)=0
additive inverses
100
The percent you pay if you have 35% off coupon
65%
100
Payments from your account mean your balance will do this.
Decrease or lessen
200
When adding -8+10, you must subtract the ______ of each number.
Absolute value
200
-10+x=4
x=14
200
5(1/5)=1
Multiplicative inverses
200
A coat cost y dollars and has a discount of 15%. Write an expression to show how to find the price of the coat
0.85y
y-0.15y
200
A deposit of $600 into your bank account can be represented with what expression when a is your account.
a + 600
300
An amount added after you take any discounts
sales tax
300
4x=20
x=5
300
4 (5-3x)
20-12x
Distributive property
300
50% of $75
$37.50
300
A positive investment into your bank account means your will show a _____
a. gain
b. loss
c. withdrawal
400
The amount left in an account after all transactions have been added or subtracted
Ending balance
400
0.3r=2.1
r=7
400
-16+7x=75
-16+16+7x=75+16
Additive property of equality
400
The cost of an item is $100 with a 13% sales tax. What is the final cost?
$113
100 + 100(0.13)
400
Writing a check from your savings account means your account with experience a ______.
withdrawal
500
The charge a banking institute applies to an account when a transaction is made.
Fee
500
5(h+2)=20
500
1/7x=64
(7)1/7x=64(7)
Multiplicative property of equality
500
Buy one get one 50% off means multiplying by what decimal
1.5
500
To find the beginning balance you must _____ the payments and _____ the deposits to the ending balance.
add, subtract