G8

Copyright © Swun Math Grade 8 Cumulative Glossary TE

Term Definition Example Unit

independent

variable

a variable whose value does

not depend on another

variable in the equation; the x

axis

d = 60 t

Time ( t ) is an independent variable

because the passage of time does not

depend on distance.

7

infinite

solutions

an equation that, when solved,

yields a statement that is

always true

5 x + 3 = 1 + 5x + 2

3 = 3

4

initial value the first value of the

dependent variable (y); same

as the

y-intercept

The initial value of the graph is (0, 60)

7

input the x-value in an ordered pair

or table

7

integer the set of all counting

numbers, including 0 and their

opposites

...─3, ─2, ─1, 0, 1, 2, 3... 1

interior angle an angle inside a shape

10

inverse

operations

operations that undo each

other; the opposite operation

addition ↔ subtraction

multiplication ↔ division

4

Grade 8 • Glossary