i=
#1 Graph the
(Make a table
y= 3x 2
4.1
#2 Graph the linear equation.
(Make a table of coordinate points.)
Y = -ix + 3
4.1
#3 Graph the linear equation.
gi
4.1
#4 Graph the linear equation.
4.1
#5 The equation y = 2x + 4 represents the cost y (in
dollars) of renting a movie after x days of late
charges.
a.
graph the equation
b.
use the graph to deter
fS
of late charges.
CIP
4.2
#6 Find the slope of the line
a
4.2
#7 Find the slope of the line
ri
4.2
#8 Find the slope of the line
=0
C)
wypemaermoisso•
Li
......
......
C
4.2
#9 Find the slope of the line
1,2)
-3-2
I 2 3x
-
4.2
#10 Find the slope of the line that passes through
the points (-4, -3) and (-2, 2)
X. I )/
)<,
1
YR
4.2
#11 Which set of stairs is more difficult to climb?
Explain.
10 in.
r se.
6 in.
Staircase 1
Staircase 2
C pea -% pote-.
<
4.2
#12 Find the slope of th line that passes through
the points.
x
1
4
6
7
4
:10
2
(P,
COM
>4z
40011.11W
4.3
#13 The amount p (in dollars) that you earn by
working h hours is represented by the equation
p = 9h.
Graph the equation and interpre the slope.
1 "
4
tk)
‘e\oorS
4.3
#14 The cost c (in dollars) to rent a bicycle
proportional to the number of h of hours that you
rent the bicycle. It costs $20 to rent the bicycle for
y r'n
4 hours.
ix) ry-1
a. Write an equation that !epreserts the luation.
.8-
c
b. Interpret the slope.
6
ces-k-%
Pe-r
c. How much does it cost to rent the bicycle for 2
days? Would it make sense to do this?
80,40
44E ‘ko3149
,
= 444
40
rerck---b
c\i
ertk.
40. b
•
4.3
#15
a. Tell whether x and y are in a proportional
relationship.
b. If they are, write an equation that represents the
situation.
Graph 1.
Earnings (dollars)
Money
Helicopter
Graph 2.
70
35
60
30
50
25
40
20
30
15
20
10
0
IN10
sAger-A-- car4.-
10
•
(oto-)
5
0 1 2 3 4 5 6 7 x
Hours worked
0
0 1 2 3 4 5 6 7 .v
Time (seconds)
4.3
#16
a.
Tell whether x and y are in a proportional
relationship.
b. If they are, write an equation that represents the
situation.
Tickets
Pizzas
Graph 1.
Graph 2
Cost (dollars)
Cost (dollars)
35
(
30
25
20
15
10
5
o
ale_S
0
1 2
3
4
5
6
7 x
Number of pizzas
Number of tickets
4.2
#17 Use an equation to find the value of k so that
the line passes through the given points and has the
given slope.
(4, -4), (k,
--I 4-c-A
\z,
3
m = -4
r\<
4.3
#18
Tell whether x and y are in a ?roportiona
relationship.
x 1/:
::
x (c) \\
Y
°)
•
2
4
4
7
6
10
3
6
2
9
3
8
13
12
4
42
41