Unit 4. Vocabulary Flashcards
Absolute Value
The distance of a number from zero on the number line.
Always Positive
Algebraic Expression
A combination of variables, numbers, and at least one operation.
Base
The number that is raised to a power
Coefficient
The number by which a variable is multiplied.
Example: the 2 in 2x
Coordinate Plane
This is formed when two number lines intersect at their zero points
Distributive Property
a(b+c)=ab+ac
Exponent
The number that tells how many factories there are of the base.
Greater Than
The inequality symbol >
Inequality
A mathematical sentence that compares two unequal expressions using one of the symbols.
, greater than, less than, or not equal to
Integers
Positive number, negative number, and zero
Less Than
The inequality symbol <
Like Terms
Terms containing the same variable
Negative number
Numbers with a value less than zero
Operations
Addition,subtraction, multiplication, division.
Opposite Numbers
Numbers that have the same digit but opposite values.
3 and -3
Ordered pair
This is used to name a point on the coordinate plane
Origin
The intersection of the x- axis and y- axis
Positive Numbers
Numbers with value larger than zero
Powers
Numbers expressed using a base and an exponent
Quadrants
The four regions separated by the x-axis and the y- axis within a coordinate plane
Variable
A symbol, usually a letter used to represent a number
X-axis
The horizontal number line in the coordinate plane
X-coordinate
The first number in the ordered pair
Y-axis
The vertical number line in the coordinate plane
Y-coordinate
The second number of the ordered pair