Vocabulary
A mathematical statement wirtten in terms of numbers, variables, and operations
What is an EXPRESSION
Simplify the following...
3x - 11x + 4x
-4x
What is ADDITION
18 = 2 - 4x
What is x = -4
7 - 5(9 - 5)
What is -13
What is a COEFFICIENT
the simplified form of
9z - 8z + 2z
What is
3z
The algebraic expression that models "the price of lunch plus a 15% tip"
What is
1.15(t)
1/2(z) - 12 = 36
What is Z = 96
7(4) + 3(7) - 12
What is 37
Operations that undo each other
What are INVERSE OPERATIONS
the simplified expression of
4y - (3y + 3y) - 4y
What is
-6y
The model for the phrase "The original cost C less a discount of 10%"
What is
0.9(C)
3/4 = 6w + 1
What is W = -1/24
7 - 8(2) - 32
What is -18
A member of the set of whole numbers and their opposites
What is an INTEGER
Carlos is buying school supplies. He buys P packets of paper at $3.50 and P packets of pens at $2.50. This is the cost for pens and paper
What is
$6P
The age of Pam is 42 year old George is 3 years less than 3 times as old and Pam will be one year from now
What is 15 years old
8 - (y + 3) = 11
What is y = -6
(a + b) - ab when a=2 and b =3
What is -1
A mathematical statement that two expressions are equivalent
The property being illustrated in
6(5x + 2) = 30x + 12
What is the DISTRIBUTIVE PROPERTY
The written expression of 3(x - 2) + 4
What is "The sum of three times the quantity of a number minus two and four"
23 = 16 - (2x - 4)
What is z = -3/2
5a2 + b2 When a = 2 and b = 3
What is 29