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