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unit 3 test review
What is an algebraic expression?
345+A=A+345
unit 3 test review
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6th grade variables
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Questions
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Answers
1
345+A=A+345
False
True
2
What is an algebraic expression?
A mathematical expression with one or more variables
A verbal expression with one or more variables
A mathematical expression with one or more operations
A mathematical expression with one or more numbers
3
1. what is the next 3 terms in the pattern? 25, 35, 34, 44, 43, 53, 52
62, 72, 82
51, 61, 60
62, 61, 71
51, 61, 71
4
solve. 65-x=40
20
25
30
40
5
15/x=x/15
False
True
6
3-d=d-3
True
False
7
combine like terms: 19x+15-3-9x+4
10x+16
10x-8
28x-4
22+10x
8
combine like terms 2a+ 3-10+5a
7a+
7a-13
-3a+7
7a-7
9
distribute: 3(x+2)
6+x
3x+5
3+x
3x+6
10
what is a variable?
a number that represents one or more numbers
A mathematical expression with one or more variables
a number that represents one or more symbols
a symbol that represents one or more numbers
11
2x-6, if x=4
6
8
2
12
12
10+3x, if x=6
18
15
22
28
13
7x-6=43
5
49
6
7
14
1, 2, 4, 8, 16
17
22
30
32
15
What is a numerical expression?
mathematical phrase with numbers and operations
mathematical phrase with numbers and variables
Verbal phrase with numbers and variables
verbal phrase with numbers and operations
16
10, 20, 40, 50, 60, 80
90, 100, 130
90, 100, 110
100, 110, 130
90, 100, 120
17
5xb=bx5
True
False
18
distribute: 2a(c+3)
2ac+6a
2a+c+3
2ac+6
2a+c+6a
19
2(x+18) distributed is 2x+34
True
False
20
34-x , when x=2
28
30
32
36
