1.
match the terms with the definitions.
1.
the distance a number is from zero on the number line, denoted |a|.
2.
the distance around a circle (or a great circle of a sphere).
3.
a graph in which the length of a bar (rectangle) is used to represent a numerical amount.
4.
a relationship between two quantities in which the quotient of the two variables is some constant number. the abstraction looks like so: y/x = k or y = kx.
5.
a statement of equality between two expressions.

a.
absolute value
b.
bar graph
c.
circumference
d.
direct variation
e.
equation