Download ExamView - Ch 2 Quiz Review section 2.1 2.3_11

Name: ________________________ Class: ___________________ Date: __________
ID: A
Quest ...............................................Review................................................Sections 2.1-2.3
For the given expression, identify the terms, like terms, coefficients, and constant terms. Then simplify the
expression.
1. −12 − w + 20
Terms
Like Terms
Coefficients
Constants
Like Terms
Coefficients
Constants
2. 4k − 10 − k
Terms
Use the distributive property to write an equivalent variable expression.
3. (5 − a ) (−7)
4. 2z (10 − z)
Write and simplify an expression for the perimeter of the triangle or rectangle.
5.
P=
1
Name: ________________________
ID: A
6.
P=
Simplify the expression.
7. 6 + 4 (m + 13) − 9m
8. −r + 6r − 5(6r − 4)
9. −0.5y + 6.6 − 4.3 ÊÁË 0.1 − 1.2y ˆ˜¯
2
Name: ________________________
ID: A
Identify the property that the statement illustrates.
10. −10 + 3 = 3 + (−10)
11. (2x)y = 2 ÊÁË xy ˆ˜¯
12. 37 ⋅ 1 = 37
Identify the property illustrated in the statement.
13. −2 (7x) = (−2 ⋅ 7)x
a. Associative property of addition
b. Commutative property of addition
c. Associative property of multiplication
d. Commutative property of multiplication
14. 5b (1) = 5b
a. Identity property of addition
b. Identity property of multiplication
c. Commutative property of multiplication
d. Commutative property of addition
3
Name: ________________________
ID: A
Find the area of the triangle.
15.
A=
Use the distributive property to evaluate the expression.
16. −5 (22 + 8 − 11 − 16)
Simplify the Expression.
17. 5 + 3[2a – 4(5 + 3a)] – 9(a – 4)
4
ID: A
Quest ...............................................Review................................................Sections 2.1-2.3
Answer Section
1. Terms: − 12, − w, 20; Like Terms: − 12 and 20; Coefficients: − 1; Constant Terms: − 12, 20
2. Terms: 4k, − 10, − k; Like Terms: 4k and k; Coefficients: 4, − 1; Constant Terms: − 10; 3k − 10
3. −35 + 7a
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
20z − 2z 2
3r units
(18x − 68) units
58 − 5m
20 − 25r
4.66y + 6.17
Commutative property of addition
Associative property of multiplication
Identity property of multiplication
C
B
5x − 10
−15
29+-39a
1