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math vocabulary for expressions and equations Flashcards | StudBud
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math vocabulary for expressions and equations
math vocabulary for expressions and equations
25 terms
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review of vocabulary for the unit
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1
What is a coefficient?
the letter of the term
The numerical factor of a term
the power of the term
2
Which one is an example of a coefficient?
3x
2
4
3
What is an equation?
A mathematical sentence that does not contain an equal sign
A mathematical sentence that contains only addition
A mathematical sentence that contains an equal sign
4
Which one is an example of an algebraic expression?
n
2x+7
3
5
What is a constant term?
only a variable
number and variable
no variable, just a number
6
Which one is an example of a constant term?
3
w
y
7
What is associative property?
the order in you + or X #s doesn't change answer
multiply 1 term and 2+ terms inside a set of parentheses.
way you group 3 or more #s when + or x doesn't change answer
8
What is a term?
symbols used to represent unspecified numbers or values
A #, a variable, a product or quotient of #s and variables
expression of the form x to a certain power,
9
What is an algebraic expression?
Does not consist of variables
-expression, -one or more numbers, -variables -operations.
The numerical factor of a term
10
Solve 3+3(4)-3
6
-12
12
11
Which of the following is an example of the identity property of multiplication?
a(2)=a and 2(a)=a
n+0=0 and 0+n=0
a(1)=a and 1(a)=a
12
Solve 3(5x+2)
15x+6
15x+2
25x
13
Which one is an example of commutative property for the problem 3*5*6*2?
3*5*6*2
(3*5) *(6*2)
5*2*3*6
14
What is the distributive property?
change the order of the numbers
multiply 1 term with 2+ terms inside a set of parentheses.
group three or more #s when + or x does not change answer.
15
Which one is an example of a variable?
x
3
6
16
What is a variable?
numbers in front of the symbols
it is the term
symbols used to represent unspecified numbers or values
17
Which one is an example of an equation?
2x
5
x+3=20
18
Solve 2-5(4)
-18
15
21
19
What is an exponent?
letter, x, y, or z
the number in front of the letter
an expression of the form xn to a certain power
20
Which one is an example of associative property for 3+5+7?
5+3+7
7+(5+3)
(3+5)+7
21
solve 25-5(2+3)
220
0
5
22
What is commutative property?
multiply a 1 term and 2+ terms inside a set of parentheses.
the order in which you + or x #s does not change answer
way you group 3 or more #s when + or x doesn't change answer
23
Which is an example distributive property for 5(5x+6)
55x
25x+30
5(5x+6)
24
Which one is an example of an exponent?
3x
7
6x2
25
Solve 3(2
2
+ 5)
300
27
17
