Recognize Constant Rate Changes
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
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QUESTION
What does constant rate imply about
Δ
y
\Delta y
Δ
y
when
Δ
x
\Delta x
Δ
x
doubles?
QUESTION
What phrase most strongly signals constant rate: "per" or "percent"?
QUESTION
What table feature confirms a constant rate when
x
x
x
increases by
1
1
1
each row?
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ANSWER
The first differences of
y
y
y
are constant. Equal spacing in
x
x
x
with constant
y
y
y
differences confirms linearity.
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