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Unit 2 Review Flashcards | StudBud
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Unit 2 Review
-7 + 13 =
Translate: the total amount decreased by 24.
Unit 2 Review
20 terms
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7th Grade Math
Flashcards
20 cards
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Questions
20
Answers
1
Translate: the total amount decreased by 24.
x - 24
x + 24
x - 24x
24 - x
2
-7 + 13 =
20
-6
6
-20
3
The value of the variable that makes the equation true is called the _______.
solution
constant
equation
additive inverse
4
A _______ is a symbol, usually a letter, used to represent an unknown number.
inverse
reciprocal
opposite
variable
5
Translate: One less than three times a number
3 - 1
1 - 3x
3x - 1
1 - 3
6
r(r-9) at r = 11
99
112
121
22
7
5s - 4 = 36
s = 7
s = -7
s = 8
s = 40
8
375
2
* 475( x
7
- 764)
2
=
123511454351351.698
1341345345.7
153524234154.56
1341241341.55
9
A mathematical sentence that contains an equal sign is an _______.
equation
inverse
expression
reciprocal
10
Operations that "undo" each other are called __________.
multiplicative inverses
inverse operations
additive inverses
reciprocals
11
q + 10 = 22
q = -32
q = 32
q = 11
q = 12
12
5(v + 1) at v = -4
-15
-25
25
15
13
Translate: The sum of r and 2
r - 2
r + 2
2 + r
2(r + 2)
14
-37 + 20 =
-57
Integers are my worst enemy
17
-17
15
Which team is going to win? -37+33=
Team Positve
Team Negative
Knights
Raiders
16
-5 = m + 11
6
-6
-16
16
17
Translate: $5 less than the original price
5(x - 5)
5 - x
x - 5
x + 5
18
Translate: 3 times a number decreased by 19
19 - 3
3x - 19
3 - 19
19 - 3x
19
Translate: $700 less than the sticker price
700 - x
x - 700x
x - 700
700 + x
20
3z = 36
z = 11
z = 108
z = 12
z = 13
