Chapter 1 Test Flashcards
1
Q
Variable
A
Letter used to represent a number
2
Q
Variable expression
A
Numbers, variables, and operations
3
Q
Evaluate
A
Solve, simplify, substitute/plug in
4
Q
Power
A
Repeated multiplication of same factor
5
Q
Base
A
The factor
6
Q
Exponent
A
Number of times base is used as a factor
7
Q
P E M D A S
A
Parenthesis
Exponent
Multiplication
Division
Addition
Subtraction
8
Q
Integers
A
Positive and negative numbers, and zero
9
Q
Absolute value
A
A number’s distance from zero, never negative
10
Q
Opposites
A
2 numbers are opposite of they have same value, but different signs
11
Q
Same sign
A
Add and keep sign
12
Q
Different sign
A
Subtract and keep sign of the larger absolute value
13
Q
Additive inverse property
A
The sum of a number and its opposite is zero
14
Q
Rules for subtracting
A
- Add the opposite (chance to addition problem)
- “KEEP CHANGE CHANGE”
- Add
15
Q
Even number of negatives
A
Positive
