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Write the letter for the correct answer in the blank at the right ofeach question. 1. Which expression is equivalent to 1
− 5 (4 + 5)?
A. 1 −
5 (9) C. 1 −
5 (4) + 1 −
5 (5)
B. (
1 −
5 + 9)
· (
1 −
5 + 9)
D. (
1 −
5 + 4)
· (
1 −
5 + 5)
2. -
4 − 9 (18 - 17) is equivalent to which value? F. -36 G. -
9 − 4 H. -
4 − 9 J. 9
3. Which expression has the same value as -7(-5 + y)? A. -7(5) - 7y C. (-7 - 5) · (-7 + (-y)) B. -7(-5) + (-7) y D. (7 - 5) · (-7 - y)
4. Which of the following expressions can be written as 3 −
8 (x + y)? F. 3
− 8 xy + 3
− 8 yx H. 3
− 8 x + 3
− 8 y
G. 3 −
8 xy J. 3x −
8 · 3y
−
8
5. Admission to the history museum is $11 for students. Which expression can be used to mentally compute the total cost of admission tickets for 40 students?
A. 40(10 + 1) C. 11(20 + 1) B. 20 · 11 + 20 · 10 D. 40(10 + 11)
6. Which expression has a coefficient of -0.5? F. -0.5x H. 4 + 0.5x G. 0.5 - 0.25x J. 4 - 0.5
7. Which of the following expressions is not simplified correctly?
A. 4x + 7 + 2x − 4y = 6x + 3y B. 2x + 7y + 2x − 4y = 4x + 3y C. 2x + 7y + 2x − 4 = 4x + 7y - 4 D. 4x + 7y + 2x + 4y = 6x + 11y
Test, Form 2B
1.
2.
3.
4.
5.
6.
7.
C
H
B
H
A
F
A
Program: Pre-Algebra
Vendor: Aptara
Component: C07_CT
Grade: AMPDF_Pages
Math Accelerated • Chapter 7 Algebraic Expressions 173
167_178_AM_C07_CT_664446.indd Page 173 13/08/12 4:30 PM u-s010167_178_AM_C07_CT_664446.indd Page 173 13/08/12 4:30 PM u-s010 /Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA.../Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA...
NAME ___________________________________________________ DATE _____________________ PERIOD __________
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Test, Form 2B (continued)
8. Erica and Jovan both grow tomatoes. Erica has 6 more tomato plants in her garden than Jovan. Which expression represents the total number of plants in both gardens?
F. 2t + 6 G. 2t(6) H. t + 6 J. 6 - 2t
9. Jillian rents a fishing boat for the day. The total cost for gasoline is represented by the expression 2.25m + 28. What is the coefficient in the expression?
A. 2.25 B. 28 C. m D. 2.25m
10. A triangle has side lengths of (2x - 1) units, (8x - 4) units, and 5x units. Which expression represents the perimeter of the triangle?
F. (15x + 5) units H. (x - 4x + 5x) units G. (10x - 10) units J. (15x - 5) units
11. The acute angle measures of a triangle are (x + 20)°, (2x + 10)°, and (4x - 60)°. What are the angle measures of the triangle?
A. 45°, 65°, 70° C. 40°, 60°, 80°
B. 50°, 60°, 70° D. 60°, 60°, 60°
12. What is the GCF of 70xw and 45xyz? F. 70x H. 9xw G. 5x J. 45w
13. Which of the following expressions cannot be factored? A. xy + 1
− 2 y C. x
− 9 +
y
− 3
B. 9xy + 6 D. 5x + 3y
14. The expression (1.2x + 4) represents the number of miles Angie jogged during a race, and 3x represents the number of miles that Tomas jogged during the same race, in x hours. Write an expression to show how many more miles Tomas jogged than Angie.
15. The area of a rectangular patio is (12x - 4) square units. What are possible dimensions of the patio?
8.
9.
10.
11.
12.
13.
14.
15.
F
A
J
B
G
D
3x - (1.2x + 4) or 1.8x - 4
Sample answer: 4 units by (3x - 1) units
Program: Pre-Algebra
Vendor: Aptara
Component: C07_CT
Grade: AMPDF_Pages
174 Math Accelerated • Chapter 7 Algebraic Expressions
167_178_AM_C07_CT_664446.indd Page 174 13/08/12 4:30 PM u-s010167_178_AM_C07_CT_664446.indd Page 174 13/08/12 4:30 PM u-s010 /Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA.../Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA...