Study Island
Copyright © 2014 Edmentum - All rights reserved.
Generation Date: 04/03/2014
Generated By: Cheryl Shelton
Title: Grade 9 - Operations & Algebraic Expressions
1.
{2, 6, 8, 18, 26, 34, 42}
The numbers shown above belong to which of the following subsets of the real numbers?
I.
II.
III.
IV.
V.
Integers
Natural Numbers
Irrational Numbers
Rational Numbers
Whole Numbers
A. I, II, IV, and V only
B. I only
C. II and V only
D. I, II, and V only
2. Simplify the following expression.
2
A. -36p + 144pq + 44q
2
(12p + 4q)(-3p + 11q)
B. -36p2 + 44q2
C. -36p2 + 120pq + 44q2
D. 9p + 15q
3. Convert 45 miles per hour to inches per minute.
A.
B.
C.
D.
4. Rewrite the following expression with variables only in the numerator.
8n9
7g8
A. 8/7 n9g-8
B. 8/7 n9g8
C. 8/7 n-9g-8
D. 8/7 n-9g8
5.
{12, 24, 36, 44, 56, 57, 64}
The numbers shown above belong to which of the following subsets of the real numbers?
I.
II.
III.
IV.
V.
Integers
Natural Numbers
Irrational Numbers
Rational Numbers
Whole Numbers
A. I, II, and V only
B. II and V only
C. I only
D. I, II, IV, and V only
6. Simplify: 38 • 33
A. 311
B. 11(3)
C. 35
D. 324
7. Convert 27 gallons per day to pints per hour.
A.
B.
C.
D.
8. Simplify: (56)2
A. 536
B. 58
C. 512
D. 54
9.
{-19, -16, -6, 4, 13, 17, 23}
The numbers shown above belong to which of the following subsets of the real numbers?
I.
II.
III.
IV.
V.
Irrational Numbers
Integers
Whole Numbers
Natural Numbers
Rational Numbers
A. II only
B. II, III, IV, and V only
C. II, III, and IV only
D. II and V only
10. Simplify the following expression.
A. 3x2 - 2x - 5
B. -3x2 - 2x - 11
(-6x - 3) - (3x2 - 4x + 8)
C. 3x2 - 2x + 11
D. -3x2 - 11x + 24
11. Convert 423 feet per hour to inches per minute.
A.
B.
C.
D.
12. Simplify: 58 • 68
A. 308
B. 1116
C. 118
D. 3016
13. Simplify the following expression.
A. 3x2 + 9x - 4
B. 11x2 + 3x - 4
C. 3x2 + 3x + 4
D. 11x2 + 3x + 12
(7x2 + 6x - 4) - (4x2 + 3x - 8)
14.
Simplify:
410
42
A. 410 - 42
B. 412
C. 48
D. 45
15. Simplify the following expression.
A. 12x2 - 8x + 11
(8x2 - 8x - 3) - (4x2 - 8)
B. 4x2 - 6x + 5
C. 10x2 - 6x + 5
D. 4x2 - 8x + 5
16. Simplify the following expression.
A.
B.
C.
D.
17. Simplify the following expression.
A.
B.
C.
D.
18. Is the number below rational, irrational, both rational and irrational, or neither rational nor
irrational?
0.616161...
A. irrational
B. neither rational nor irrational
C. rational
D. both rational and irrational
19. Jenny went on a road trip to Chicago. On her trip she averaged 64 miles per hour. What was
her average speed in inches per second?
A. 12.8
B. 1,126.4
C. 67,584
D. 5,632
20. Simplify.
A.
B.
C.
D.