Chapters 1 & 2 Vocabulary
The set of whole numbers and their opposites
Integers
Terms that have the same variables raised to the same exponents.
Like terms
-3 + - 5 = ?
-8
-12 x 5 =
-60
DOUBLE JEOPARDY: What is steps one and two of solving two step equations?
Add or subtract
Multiply or divide
A number that can be written as a/b, where a and b are integers
Rational Numbers
An algebraic expression is said to be in this when it has no like terms and no parentheses.
Simplest form
6 - (-2) = ?
8
6x + 6y + 30
x + 8 = -10
x = -18
The _________ ________ of a number is the distance between the number and 0 on the number line.
Absolute value
An algebraic expression in which the exponent of each variable is 1.
Linear expression
When you add two negative integers togethers, you get
A bigger negative integer
What is the GCF between 5 and 15?
5
Write as an equation:
4 less than a number n is -15
4 - n = -15
The sum of a number and its opposite is 0.
Additive Inverse
a(b + c) = ab + ac
Distributive Property
-4 x 64 = ?
-256
Factor -4p + 10
-2(2p - 5) or 2(-2p + 5)
-5t = 65
t = -13
1.5 and -0.25 is an example of what type of decimal.
Terminating decimal
Writing an expression as a product of factors
Factoring an expression
-280 divided by 56 = ?
-5
3x = 480
160
4b + 3 = -9
b = -3