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WorksheetsAM Chapter 3 Test Review
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Black and white copies cost $0.05 each, and color copies cost $0.49 each. The equation 0.05x + 0.49y = 5 represents the number of black and white copies x and color copies y that can be made with $5. If no color copies are made,how many black and white copies can be made with $5?
a)
200
b)
100
c)
25
d)
10
2.
If (a, -7) is a solution to the equation 8a = -3b - 5, what is a?
a)
-17
b)
2
c)
8
d)
17
3.
What is the slope of the line through (2, -8) and (4, 1)?
a)
-2/9
b)
-6/7
c)
-7/6
d)
9/2
4.
Which equation is not a linear equation?
a)
2x + 5y = 3
b)
y = - 10
c)
5 = 3xy
d)
y = x/7 + 4
5.
What is the slope of the line through (-4, -6) and (9, -6)?
a)
-12/5
b)
-5/12
c)
0
d)
undefined
6.
In 2005, MusicMart sold 14,550 CDs. In 2010, they sold 12,000 CDs. What is the rate of change in the number of CDs sold?
a)
-2550 per yr
b)
-510 per yr
c)
-425 per yr
d)
-2400 per yr
7.
Which is the graph of y = - 1 − 2 x?
a)
A
b)
B
c)
C
d)
D
8.
If y varies directly as x and y = 5 when x = 8, find y when x = 9.
a)
72/5
b)
45/8
c)
40/9
d)
6
9.
SPRINGS The amount a spring stretches varies directly as the weight of the object attached to it. If an 8-ounce weight stretches a spring 10 centimeters, how much weight will stretch it 15 centimeters?
a)
16 oz
b)
6 oz
c)
10 oz
d)
12 oz
10.
The number of students seated in each row of an auditorium form an arithmetic sequence, as shown in the table. 10. How many students are seated in the 15th row?
a)
46
b)
58
c)
59
d)
195
11.
Which formula can be used to find the number of students seated in any given row?
a)
an = 4n
b)
an = 4n - 1
c)
an = n + 3
d)
an = 3n + 1
12.
Find the function that represents the relationship.
a)
y = x - 5
b)
y = 7x - 5
c)
y = 7x
d)
y = 7x + 7
13.
Which equation describes this relationship?
a)
f(x) = x
b)
f(x) = 2x - 1
c)
f(x) = x + 1
d)
f(x) = x + 2
14.
What is the value of y when x = 26?
a)
51
b)
48
c)
37
d)
28
15.
Which line shown at the right is the graph of x + 2y = 6?
a)
r
b)
n
c)
t
d)
v
16.
Which equation has a graph that is a horizontal line?
a)
x - 7 = 0
b)
2y + 3 = 4
c)
x = y
d)
x + y = 0
17.
What is the standard form of y + 2 = 1/2 (x - 4)?
a)
x + 2y = 0
b)
x - 2y = 8
c)
2x - y = 10
d)
4x - 2y = 0
18.
Determine which sequence is an arithmetic sequence.
a)
-16, -12, -8, -4, . . .
b)
4, 8, 16, 32, . . .
c)
1, 4, 2, 5, 3, . . .
d)
1, 1, 2, 3, 5, . . .
19.
Which equation describes the nth term of the arithmetic sequence -12, -14, -16, -18, . . .?
a)
an = -2n - 10
b)
an= -12 - 2n
c)
an = 10n - 2
d)
an = -2n + 10
20.
Write an equation in function notation for the relation.
a)
f(x) = -2x
b)
f(x) = x - 2
c)
f(x) = -x + 2
d)
f(x) = 2x + 2
21.
Bonus The table shows the arrival times for a commuter train.
At what time will the 12th train arrive?
At what time will the 12th train arrive?
a)
6:00 AM
b)
6:49 AM
c)
7:49 AM
d)
8:49 AM
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