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M6.7.3 Expressions with Variables Vocabulary Activity Flashcards | StudBud
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M6.7.3 Expressions with Variables Vocabulary Activity
M6.7.3 Expressions with Variables Vocabulary Activity
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Questions
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Answers
1
Which of the following is an example of a
variable expression
?
10-5=5
a) 7+3
x=5
b) 2x+4
2
What is an
expression
?
a) A mathematical sentence with an equal sign
b) A set of operations and variables or numbers without an equal sign
c) A solved equation
d) A group of variables only
3
What is a
variable
in mathematics?
d) A type of equation
c) A mathematical operation
b) A symbol that represents one or more numbers
a) A fixed number
4
What is a
constant
in an expression?
d) A coefficient
a) A number that does not change
c) An operation
b) A variable that changes
5
What is the
value of a variable
?
b) The fixed number being multiplied
c) The solution or number that replaces the variable
a) The operation being performed
d) A constant
6
What is the
difference
between an equation and an expression?
c) Expressions has only variables, while an equation contains only numbers.
a) An expression has an equal sign, but an equation does not.
b) An equation has an equal sign, but an expression does not.
d) There is no difference.
7
In the expression 2m−3+4m, which are the
like terms
?
2m and 4m
4m and -3
None of the above
a) 2m and −3-
8
What does the
substitute
mean in algebra?
d) To solve the equation
a) To replace the variable with a number
b) To rewrite the equation in simpler terms
c) To combine like terms
9
What does the
term
4x represent?
c) A coefficient and a variable multiplied together
b) A variable only
d) A coefficient
a) A constant
10
In the expression x+8, what does x represent?
c) A variable
d) An exponent
a) A coefficient
b) A constant
11
What is the
operator
in the expression 6y−4?
a) 6
c) - (subtraction)
d) 4
b) y
12
In the expression 5a+6, which part is the
constant
?
a) 5
b) a
c)6
d) 5a
13
What does it mean to
evaluate
an expression?
b) To find its value by substituting numbers for variables
c) To add all the numbers together
a) To rewrite it with a variable
d) To solve for a variable
14
In the expression 3x+5, what is the
coefficient
?
b) x
c) 5
a) 3
+
15
What does the term
like terms
mean?
d) Any terms in an equation
b) Terms with the same variable and exponent
c) Terms that include constants only
a) Numbers that are equal
