Graphing Linear Equations And Functions Worksheet - Welcome To Algebra 1: Concepts And Skills Page 7
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7Page 7 of 7
Standardized Test
67.
What is the slope of the graph of the equation
MULTIPLE CHOICE
Practice
y
8
0?
Undefined
1
0
1
A
B
C
D
Write the equation 6x
9y
45
0 in
68.
MULTIPLE CHOICE
slope-intercept form.
2
3
2
3
y
x
5
y
x
5
y
x
5
y
x
5
F
G
H
J
3
2
3
2
69.
What is the slope of a line parallel to the graph of the
MULTIPLE CHOICE
equation 16x
32y
160?
1
2
5
5
A
B
C
D
2
Mixed Review
In Exercises 70–78, solve the equation.
SOLVING EQUATIONS
(Lessons 3.1, 3.2, and 3.3)
x
6
14
9
y
4
7b
21
70.
71.
72.
a
1
3
h
2
1
3x
12
6
73.
74.
75.
4
3
76.
2(v
1)
4
77.
3(x
1)
18
78.
5(w
5)
25
You are studying the atomic numbers and weights of
79.
elements. You record several pairs in a table. Make a scatter plot. Then
describe the relationship between the atomic numbers and the atomic
weights.
(Lesson 4.1)
Element
H
He
Li
Be
B
C
N
O
Atomic Number
1
2
3
4
5
6
7
8
Atomic Weight
1.0
4.0
6.9
9.0
10.8
12.0
14.0
16.0
Note: The abbreviations above are for the following elements: Hydrogen,
Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, and Oxygen.
80.
You have 32 coins in a jar. Each coin is either copper
COIN COLLECTION
or silver. You have 8 more copper coins than silver coins. Let c be the
number of copper coins. Which equation correctly models the situation?
(Lesson 3.5)
A.
(c
8)
c
32
B.
c
(c
8)
32
Maintaining Skills
Add. Write the answer as a fraction or as a mixed
ADDING FRACTIONS
number in lowest terms. (Skills Review p. 764)
1
1
2
4
3
8
9
1
0
81.
82.
83.
84.
8
5
3
5
4
9
1
1
3
3
6
3
1
5
2
8
1
9
11
85.
86.
87.
88.
7
8
4
6
3
2
1
2
4
1
2
4.7 Graphing Lines Using Slope-Intercept Form
249
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