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Practice Test - Algebra 2 (DQA #3); GRAPHING CALCULATORS RECOMMENDED!



Indiana State Indicators
This assessment covers the following state indicators: A2.1.2, A2.1.4, A2.1.5, A2.2.3, A2.3.1, A2.3.3, A2.3.5, A2.5.3, A2.6.1, A2.7.4, and A2.7.8.
 

 1 

Solve mc001-1.jpg. Round to the nearest thousandth.
A
51.598
B
55.598
C
19.199
D
17.199
 
 
Graph the function.
 

 2 

mc002-1.jpg
A
mc002-2.jpg
C
mc002-4.jpg
B
mc002-3.jpg
D
mc002-5.jpg
 

 3 

mc003-1.jpg
A
mc003-2.jpg
C
mc003-4.jpg
B
mc003-3.jpg
D
mc003-5.jpg
 
 
Simplify the expression.
 

 4 

mc004-1.jpg
A
mc004-2.jpg
C
mc004-4.jpg
B
mc004-3.jpg
D
mc004-5.jpg
 

 5 

mc005-1.jpg
A
–16
B
16
C
16i
D
–16i
 

 6 

Write the exponential expression mc006-1.jpg in radical form.
A
mc006-2.jpg
B
mc006-3.jpg
C
mc006-4.jpg
D
mc006-5.jpg
 

 7 

Identify the vertex and the y-intercept of the graph of the function mc007-1.jpg.
A
vertex: (–2, 3);
y-intercept: –1
C
vertex: (2, 3);
y-intercept: –1
B
vertex: (2, –3);
y-intercept: 7
D
vertex: (–2, –3);
y-intercept: –4
 

 8 

What is the solution of the system of equations?
y = x + 1
y = 2x – 9
A
(3.33, 4.33)
B
(8, 7)
C
(10, 11)
D
(11, 10)
 
 
Simplify the expression.
 

 9 

mc009-1.jpg
A
9
B
729
C
mc009-2.jpg
D
19,683
 

 10 

mc010-1.jpg
A
mc010-2.jpg
B
mc010-3.jpg
C
mc010-4.jpg
D
mc010-5.jpg
 

 11 

Write mc011-1.jpg in simplest form.
A
mc011-2.jpg
C
mc011-4.jpg
B
mc011-3.jpg
D
none of these
 

 12 

Find mc012-1.jpg.
A
mc012-2.jpg
B
0
C
mc012-3.jpg
D
0
 
 
Factor the expression.
 

 13 

mc013-1.jpg
A
mc013-2.jpg
C
mc013-4.jpg
B
mc013-3.jpg
D
mc013-5.jpg
 

 14 

mc014-1.jpg
A
mc014-2.jpg
C
mc014-4.jpg
B
mc014-3.jpg
D
mc014-5.jpg
 

 15 

mc015-1.jpg
A
mc015-2.jpg
C
mc015-4.jpg
B
mc015-3.jpg
D
mc015-5.jpg
 

 16 

The length of a rectangle is 6 cm more than four times the width. If the perimeter of the rectangle is 92 cm, what are its dimensions?
A
length = 38 cm; width = 8 cm
C
length = 8 cm; width = 38 cm
B
length = 26 cm; width = 14 cm
D
length = 38 cm; width = 14 cm
 

 17 

A ball is thrown into the air with an upward velocity of 28 ft/s. Its height h in feet after t seconds is given by the function mc017-1.jpg.
a. In how many seconds does the ball reach its maximum height? Round to the nearest hundredth if necessary.
b. What is the ball’s maximum height?
A
0.88 s; 20.5 ft
B
0.88 s; 22.25 ft
C
1.75 s; 10 ft
D
0.88 s; 46.75 ft
 
 
Solve the equation by factoring.
 

 18 

mc018-1.jpg
A
z = –4 or z = 2
C
z = –4 or z = –2
B
z = 4 or z = 2
D
z = 4 or z = –2
 

 19 

The sum of two numbers is 70. Their difference is 14. Write a system of equations that describes this situation. Solve by elimination to find the two numbers.
A
xy = 70
x + y = 14
41 and 29
C
x + y = 70
xy = 14
42 and 28
B
x + y = 14
yx = 70
37 and 29
D
x + y = 70
xy = 14
37 and 23
 

 20 

Use a graphing calculator to solve the equation mc020-1.jpg. If necessary, round to the nearest hundredth.
A
–0.56, 0.56
C
–1.31, 0.91
B
–0.46, 0.66
D
–0.66, 0.46
 

 21 

Write 5x3 – 50x2 + 125x in factored form.
A
–5x(x – 5)(x + 5)
C
5x(x – 5)(x + 5)
B
–5x(x + 5)(x – 5)
D
5x(x – 5)(x – 5)
 

 22 

Evaluate mc022-1.jpg for x = –2.
A
6
B
4
C
–6
D
0
 

 23 

Write a polynomial function in standard form with zeros at –2, –3, and –5.
A
mc023-1.jpg
C
mc023-3.jpg
B
mc023-2.jpg
D
mc023-4.jpg
 
 
Solve the linear system.
 

 24 

mc024-1.jpg
A
(0, 1)
B
(3, –1)
C
(–1, 3)
D
(1, 0)
 
 
Write a function rule for the table.
 

 25 


x
f(x)
0
–4
1
–3
2
–2
3
–1
A
mc025-1.jpg
B
mc025-2.jpg
C
mc025-3.jpg
D
mc025-4.jpg
 

 26 

Find the zeros of mc026-1.jpg. Then graph the equation.
A
–2, –4, 2
mc026-2.jpg
C
0, –2, –4
mc026-4.jpg
B
0, 2, 4
mc026-3.jpg
D
–2, –4
mc026-5.jpg
 

 27 

A construction explosion has an intensity I of mc027-1.jpg W/m2. Find the loudness of the sound in decibels if mc027-2.jpg and mc027-3.jpg W/m2. Round to the nearest tenth.
A
113.8 decibels
C
106 decibels
B
146 decibels
D
39.9 decibels
 

 28 

Solve mc028-1.jpg.
A
mc028-2.jpg
B
mc028-3.jpg
C
mc028-4.jpg
D
mc028-5.jpg
 
 
Write the number in the form a + bi.
 

 29 

mc029-1.jpg
A
mc029-2.jpg
C
mc029-4.jpg
B
mc029-3.jpg
D
mc029-5.jpg
 
 
The pH of a liquid is a measure of how acidic or basic it is. The concentration of hydrogen ions in a liquid is labeled nar011-1.jpg. Use the formula nar011-2.jpg to answer questions about pH.
 

 30 

Find the pH level, to the nearest tenth, of a liquid with [H+] about mc030-1.jpg.
A
7.1
B
–8.9
C
8.9
D
8.0
 

 31 

Suppose you invest $300 at an annual interest rate of 7.3% compounded continuously. How much will you have in the account after 3 years?
A
$178.59
B
$373.45
C
$1,867.57
D
$968.16
 
 
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
 

 32 

mc032-1.jpg
A
2, –3.2
B
16.6, –17.2
C
1, –1.6
D
1.6, –1
 

 33 

An initial population of 400 quail increases at an annual rate of 6%. Write an exponential function to model the quail population.
A
mc033-1.jpg
C
mc033-3.jpg
B
mc033-2.jpg
D
mc033-4.jpg
 

 34 

Let mc034-1.jpg and mc034-2.jpg. Find mc034-3.jpg and its domain.
A
mc034-4.jpg; all real numbers except x = mc034-5.jpg
B
mc034-6.jpg; all real numbers except x = mc034-7.jpg
C
mc034-8.jpg; all real numbers
D
mc034-9.jpg; all real numbers
 

 35 

Find the zeros of mc035-1.jpg and state the multiplicity.
A
5, multiplicity 2; 6, multiplicity 5
B
2, multiplicity 5; 5, multiplicity 6
C
5, multiplicity 2; 5, multiplicity 6
D
2, multiplicity 5; 6, multiplicity 5
 
 
Solve the equation using the zero-product property.
 

 36 

mc036-1.jpg
A
n = 0 or n = mc036-2.jpg
C
n = mc036-5.jpg or n = mc036-6.jpg
B
n = mc036-3.jpg or n = mc036-4.jpg
D
n = 0 or n = mc036-7.jpg
 



 
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