G8

Copyright © Swun Math Grade 8 Cumulative Glossary TE

Term Definition Example Unit

multiplicative

inverse

a number and its reciprocal

whose product is 1

2 · ½ = 1 4

negative

exponent

indicates the number of times

to divide by the base (^)
1 ÷ 5 ÷ 5 ÷ 5 = 0.008
a—n =
1
an
5 —^3 =
1
53
2
negative slope is decreasing; as x increases, y
decreases
7
no solution an equation that, when solved,
yields a statement that is not
true
2 = 3
4
nonlinear
function
a function whose graph is not a
straight line
y = x^2 + 2
7
observed data data that has been collected
and plotted on a graph
12
outliers a data point which “lies
outside” most of the other
values in a set of data
35, 39, 40, 40, 41, 81
(81 is an outlier)
12
output the y-value in an ordered pair or
table
7

Grade 8 • Glossary