IXL | Checkpoint: Linear and nonlinear functions | 8th grade math

The equation

y

=

–

1

2

x

+

1

4

defines a relationship between

x

and

y

,

where

x

is the input and

y

is the output. Which statements about the relationship are true? Select all that apply.

The graph is a straight line.

When the input is 2, the output is -1.

The rate of change is constant.

y is a function of

x.

The

y-intercept

is

0

,

–

1

2

.

ref_doc_title.

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Not feeling ready yet? These can help:

DD.1Identify linear and nonlinear functions: graphs and equations

DD.2Identify linear and nonlinear functions: tables