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Variables, Expressions and Order of Operations Flashcards | StudBud
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Variables, Expressions and Order of Operations
Variables, Expressions and Order of Operations
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A #math #quiz intended for review purposes.
Flashcards
22 cards
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Questions
22
Answers
1
Simplify the following expression:
3[5 - 2 * 2]
2
21
4
43
3
2
Choose an algebraic expression for:
nine less than a number h
9h
h9
9 - h
h - 9
3
What is the Order of Operations?
a way to assign to variables
a standard that defines the order in which you simplify
a hospital club
when you point your finger and yell "Operations!"
4
In the expression
x
n
, the x is called...
base
big letter
õòðỢ
notation
5
When only multiplication and division are left in an expression, solve from left to right.
True
False
6
Choose the verbal expression that means:
7a
4
the product of seven and a to the fourth power
the sum of 7 and a times 4
seven more than a times 4
the quotient of 7 and 4a
7
Simplify 2(x
2
- y) + z
2
if x = 4, y = 3, and z = 2
30
24
29
16
8
Choose an algebraic expression for:
six decreased by four times an unknown number
64/x
6 - 4 - x
6 - 4x
6x/4
9
The following words represent what mathematical operation: product, double, and times.
division
subtraction
multiplication
addition
10
In the expression
(8 - 3) * 3(3 + 2)
, what is the first step in the solving process?
multiply the result of (8 - 3) by 2
add all numbers and divide by 2
switch the right to the left and multiply
simplify inside the parentheses
11
Simplify the following expression:
2(4 + 7) * (9 - 5)
24795
17
88
16
12
Choose an algebraic expression for:
the sum of 11 and x to the third power
11x + 3
11 + x3
11x3
11 + x + 3
13
How are expressions different from equations?
Expressions are like ḝ æ ē Å.
Equations are not solved.
Equations are just emojis.
Expressions do not have equal signs!
14
Choose the verbal expression that means:
6 - x
the quotient of 6 and x
six less a number
the product of 6 and -x
the product of 2 times 3 and x
15
Why is the Order of Operations important?
It's the biggest club at the hospital.
It makes surgeries more efficient.
Their leather jackets are expensive.
It guarantees that a problem will be solved the same by all.
16
The following words represent what mathematical operation: sum, more than, and increase.
addition
multiplication
division
subtraction
17
Choose the verbal expression that means:
x
2
+ 3
three more than twice an unknown number
twice x increased by three
the sum of a number squared and three
three more than the quotient of x squared
18
The following words represent what mathematical operation: half, quotient and apportionment.
division
addition
multiplication
subtraction
19
What does PEMDAS mean?
idk
Parentheses, Exponents, Multiply, Divide, Add, Subtract
It is short for Pemper Diasaline.
Don't use a pen, just a pencil.
20
The following words represent what mathematical operation: decrease, less than, and take away.
sleeping
subtraction
division
eating
21
Simplify the following expression:
18 + 2 * 4 - 3
1
23
18243
16
22
In the expression x
n
,
the
n
is called a...
little letter
exponent
power
topping