Slope of a rule
Slope of a table
y = ½x + 3
x
+ 1 -1
0
1
2
y
3
5
7
9
+2
Slope of a graph
y-intercept of a rule
y = ½x + 3
y-intercept of a table
x
-1
0
1
2
y
3
5
7
9
Domain of ordered
pairs
b=5
(0, – 4)
y-intercept of a
graph
Domain of a table
(0, 5)
b=–4
x
-1
0
1
2
y
3
5
7
9
{-1, 0, 1, 2}
(-3, 2) (-2,4) (-1, 6) (0, 8)
{-3, -2, -1, 0}
Range of a table
Range of ordered
pairs
x
-1
0
1
2
{3, 5, 7, 9}
(-3, 2) (-2,4) (-1, 6) (0, 8)
{2, 4, 6, 8}
Independent variable
of a rule
Independent variable
of a table
y
3
5
7
9
y = ½x + 3
Cost
Weight
(dollars) (lbs.)
$20
10
$40
20
$60
30
$80
40
Cost
Salary (dollars)
Independent variable
of a graph
Time
Time (hours)
Dependent variable
of a rule
Dependent variable
of a graph
Cost
Weight
(dollars) (lbs.)
$20
10
Salary (dollars)
Dependent variable
of a table
y = ½x + 3
$40
20
$60
30
$80
40
Weight
Salary
Time (hours)
Rule with zero slope
y=3
Rule with y-intercept
of (0,0)
y = ½x