Recognizing Linear Functions
Pre-Algebra · Flashcards
PRE-ALGEBRA · FLASHCARDS
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QUESTION
Which equation is linear:
y
=
4
x
y = \frac{4}{x}
y
=
x
4
or
y
=
x
4
y = \frac{x}{4}
y
=
4
x
?
QUESTION
Is the function in this table linear or nonlinear?
x
x
x
: 1, 2, 4, 5;
y
y
y
: 3, 5, 9, 11.
QUESTION
Is the function in this table linear or nonlinear?
x
x
x
: 1, 2, 3, 4;
y
y
y
: 3, 7, 11, 15.
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ANSWER
Linear. Each time
x
x
x
increases by 1,
y
y
y
increases by 4.
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