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Pre-Algebra Chapter 2.0-2.4 Vocabulary Flashcards | StudBud
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Pre-Algebra Chapter 2.0-2.4 Vocabulary
Pre-Algebra Chapter 2.0-2.4 Vocabulary
27 terms
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a math quiz for chapter 8
Flashcards
27 cards
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Questions
27
Answers
1
An equation that is true for every value of the variable.
identity
All real numbers
null set
empty set
2
In
-3.8t + 4 = 4.4t - 37
, 4.4 is the lowest coefficient.
False
True
3
Equations that have the same solution are called
equivalent expressions
no solutions
null sets
equivalent equations
4
An equation that has more than two steps.
2-step equation
3-step equation
multi-step equation
1-step equation
5
Parts of an equation that are separated by a plus or minus sign are called what?
answers
numbers
letters
terms
6
In
1/4x + 2 = 2/3x - 3
, what should my first step be?
multiply by 2
multiply by 4
multiply by 12
multiply by 3
7
What is another word for an equation that has no solution?
null set
equivalent
empty set
all real numbers
8
What is the
coefficient
of
-x
?
1
-1
9
Flip-flop phrases
in equations contain the word...
then
is
of
than
10
What is a
coefficient
?
A number by itself
A letter by itself
a letter and a number together
A number in front of a letter
11
In
2x - 7 = -4x + 2
, is -4 the lowest coefficient?
No
Yes
12
What is the coefficient in
5 - 10y = 10
?
-10
10
1
5
13
The word
IS
in math means...
equal
multiply
divide
add
14
Find the equation
twice a number plus six is ten.
x + 2(6) = 10
2x + 6 = 10
x + 6 = 10
2(6) = 10
15
Equations that have two operations are called...
one-step equations
three-step equations
two-step equations
multi-step equations
16
What is the goal in solving equations?
to multiply everything
to get the numbers by themselves
to add all the variables
to get the variable by itself
17
In
3/8p - 3 = 1/8p - 5
, what do I need to multiply by to get rid of the fractions?
3
16
8
5
18
How many terms are in the equation
3 - 3.7b = 10.3 b + 10
?
1
2
3
4
19
A mathematical symbol that contains less than or greater than is called (a)an
equal sign
exression symbol
inequality symbol
equation
20
What is the first step in solving
2x = 4x - 7
add 7
subtract 4x
add 2x
subtract 2x
21
What is the next step to solving
-x = 8
?
multiply by 1
divide by -1
divide by 1
multiply by -1
22
What is a
constant
?
a letter by itself
a number with a variable
a number by itself
a number added to another number
23
Operations that undo each other are called...
equivalent expressions
inverse operations
numerical expressions
answers
24
A value for the variable that makes an equation true is a what?
product
sum
null set
solution
25
In
4y = 2y - 10
, which terms are
LIKE TERMS
?
2y and -10
4y and 2y
4y and -2y
4y and -10
26
How many terms are in the equation
x + 6 = 3x?
4
1
2
3
27
In the equation
4/9x - 1 = 5/9x + 2
, the first step should be to...
add 1
subtract 2
subtract 4/9x
multiply by 9
