Integer
How far a number is from zero on a number line
absolute value
Math sentence without an equal sign
expression
a + 0 = a
Identity property of addition
Two angles that add up to 180 degrees
Supplementary angles
The distance around the outside of a circle
circumference
Numbers with the same absolute value, but different signs
opposites
Math sentence with an equal sign
equation
a + (-a) = 0
Inverse property of addition
Two angles that share a common vertex and side, but have no common interior points
adjacent angles
The distance from the center of a circle to any point on the circle
radius
Terms with exactly the same variable factors in a variable expression
like terms
A letter that takes the place of a number
variable
Addition of the opposite
Subtraction
90 degree angle
right angle
Entire set of objects
population
All whole numbes, positive and negative, and zero.
integer
Number in front of a variable
coefficient
a X 1 = a
Identity property of multiplication
Two nonadjacent angles formed by two intersection lines
Vertical angles
Two lines that intersect to form right angles
perpendicular
point of origin on a vertical number line
point of origin
Makes a umber sentence true
solution
5(6x + 19)
Distributive property
An angle that is less than 90 degrees
acute angle
Triangle having exactly two equal sides
isosceles triangle