© 2007 m. tallman ? justin purchases 4 new books every month. how many books will he have after 4...
TRANSCRIPT
© 2007 M. Tallman
© 2007 M. Tallman
?
Justin purchases 4 new books every month. How many books will he have after 4 months ?
28
1 Month
2 Months 3 Months 4 Months
O Months
164
7
123
82
41
00
bm
m = monthsm = monthsb = booksb = books
Rule ? Rule: b = m x 4
© 2007 M. Tallman
Rule: b = m x 4(b = 4m)
28
164
7
123
82
41
00
bm
b = booksb = booksm = monthsm = months
Use the function rule to answer these questions:
How many books will Justin have after 10 months?
Justin has 32 books. How many months have passed?
How many books will Justin have after 6 months?
Justin has 48 books. How many months have passed?
40
8
24
12
© 2007 M. Tallman
76
65
54
43
32
21
# of Cubes (c)
Element # (e)
1 2 3
4 5 6
Rule: c = e + 1, Rule ?
© 2007 M. Tallman
Rule: c = e + 1
Use the function rules to answer these questions:
How many cubes are in element 38?
Which element has 37 cubes?
How many cubes are in element 1,001?
Which element has 78 cubes?
39
36
1,002
77 76
65
54
43
32
21
# of Cubes (c)
Element # (e)
© 2007 M. Tallman
126
105
84
63
42
21
# of Cubes (c)
Element # (e)
1 2 3
4 5 6
Rule: c = e × 2
Rule ?
© 2007 M. Tallman
Rule: c = e x 2
Use the function rules to answer these questions:
How many cubes are in element 24?
Which element has 36 cubes?
How many cubes are in element 50?
Which element has 90 cubes?
48
18
100
45 126
105
84
63
42
21
# of Cubes (c)
Element # (e)
© 2007 M. Tallman
ordered pair- a pair of numbers that gives a location of a point on a grid.
coordinates- The numbers in an ordered pair.
plot- to graph a point on a coordinate plane.
axis- (plural: axes) a horizontal or vertical number line used to locate points on a graph.
© 2007 M. Tallman
(7, 6)
X-Coordinate
Y-Coordinate
© 2007 M. Tallman
X
y
Graph the ordered pair (7, 6) on a coordinate system.
Step 1: Start at the origin (0,0).
Step 2: Since the x-coordinate is 7, move 7 units to the right.
Step 3: Since the y-coordinate is 6, move 6 units up. Draw a dot. 1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
(7, 6)
0
© 2007 M. Tallman
X
y
Graph the ordered pair (0, 5) on a coordinate system.
Step 1: Start at the origin (0,0).
Step 2: Since the x-coordinate is 0, move 0 units to the right.
Step 3: Since the y-coordinate is 5, move 5 units up. Draw a dot. 1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
(0, 5)
0
© 2007 M. Tallman
X
y
Identify the ordered pair for the point.
1 2 3 4 5 6 7 8
8 7 6 5 4 3 2 1
0
(6, 4)
(6, 0)
(2, 2)
(4, 6)(8, 7)
(2, 8)
© 2007 M. Tallman
1
4
3
2
7
6
5
?
?
?
?
?
?
?
0
3
2
1
6
5
4
dh
d = h + 1
d = + 1h0d = 1
1d = 2
2d = 3
3d = 4
4d = 5
5d = 6
6d = 7
(6, 7)
(5, 6)
(4, 5)
(3, 4)
(2, 3)
(1, 2)
(0, 1)
Ordered Pair
© 2007 M. Tallman
0 1 2 3 4 5 6 7 8 9 10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
d = h + 1
(0, 1)10
(3, 4)43
(2, 3)32
(1, 2)21
(6, 7)76
(5, 6)65
(4, 5)54
Ordered Pairdh
d = h + 1
y
x