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Identifying Parts of an Algebraic Expression Flashcards | StudBud
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Identifying Parts of an Algebraic Expression
Identifying Parts of an Algebraic Expression
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Identifying the parts of an algebraic expression.
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Questions
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Answers
1
Define algebraic expression
you choose a variable to represent an unknown quantity
i dont know
expressions that contains, variables, numbers, & operations
a symbol that represents an unknown quantity
2
What makes an algebraic expression?
operations
variables
all of the above
numbers
3
What is the constant in the following expression? 8 + 4y
4
y
8
+
4
Which of the following is an algebraic expression?
1/2
y + r
16 + 6
4
5
What is a variable?
A number that represents a known letter
A letter that represents a unknown number
Something
Example:5
6
In the expression 7f - 19 what is the coefficient?
7
-
f
19
7
What are the like terms?
5, 4x, 8x
4x, 8x
5, 4x
8x, 5
8
Like or Unlike? 3xy
2
and 7x
2
y
UNLIKE
LIKE
9
Which term is UNLIKE the other terms?
5xy2
1/2yx2
-3yx2
6x2y
10
How many variables are in the following expression? 3x + 2x + x
1
3
2
5
11
In the expression 6 - 4r what is the variable?
r
-
6
4
12
Like terms
are terms that...
equal zero
have the same sign
have the same variables raised to the same exponents
are always positive
13
How many terms?
1
3
4
2
14
How many terms are in the following expression? 3x - 2x + x
3
2
1
5
15
Does an Algebraic expression have an equal sign?
Sometimes
Maybe
No
Yes
16
In the expression 4d + 7 what is the constant?
d
7
4
+
17
What is a coefficient?
A mathematical sentence that contains a equal sign
A term only containing a number
Something in math
A number that has a variable in it
18
What are the terms?
7, -16, 8, 4
7x, 9, -16z, 14, 8b, 4r
9, 14
7, 9, 16, 14, 8, 4
19
What is the last term in the following expression? 6x + 8y - 2
6x
8y
2
20
What is a constant?
Hi
A term in math
A term that only contains a letter
A term that only contains a number
