Recognize Constant Rate Changes
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
Which expression represents a constant rate of change:
y
=
4
x
+
9
y=4x+9
y
=
4
x
+
9
or
y
=
4
x
+
9
y=4^x+9
y
=
4
x
+
9
?
QUESTION
Find the constant rate if
y
y
y
changes from
30
30
30
to
18
18
18
while
x
x
x
changes from
2
2
2
to
8
8
8
.
QUESTION
Find the unit rate if
y
=
−
12
y=-12
y
=
−
12
when
x
=
3
x=3
x
=
3
.
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ANSWER
−
4
-4
−
4
. Dividing change:
−
12
3
=
−
4
\frac{-12}{3} = -4
3
−
12
=
−
4
units per unit.
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