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Unit 1 Review CPA1 F20 Flashcards | StudBud
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Unit 1 Review CPA1 F20
Unit 1 Review CPA1 F20
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Answers
1
How would you rate your understanding of this topic?
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Awesome
2
Input
The range of a function
The y-values of a function
The domain of a function
The x-values of a function
3
Commutative Property
Allows you to change the parentheses
a+ (b+c) = (a+b) + c
ab = ba
Order does not matter when adding or multiplying
4
Constant
A property which states that ab = ba
A number
A variable
An expression with numbers and variables
5
Combine like terms
12r-20
10r+15
15
10
6
Evaluate the function for the given value
1
2
5
-1
7
Write as a verbal expression
100 cubed
100 squared
10 squared
10 cubed
8
Combine like terms
x + 7
x + 5
6x + 2
6x + 7
9
Evaluate.
-17
17
7
-7
10
Apply the order of operations:
12
I don't know
10
-12
11
Simplify the expression, using the Distributive Property; 7(8+y)
Answer Not Shown
56 + 7y
15 + y
56 + y
12
Identity Property
Shows the value of the expression
Any number + 0 = the number
States that a number times itself is 1
Any number x 1 = the number
13
Evaluate 3[20-(7-5)
2
]
56
48
972
192
14
Exponential Form
Shows repeated multiplication with exponents
A numerical way to write exponents
An expression with many terms
Contains a base and exponent
15
Equivalent Expressions
Expressions with the same variable
Expressions with the same value
Expressions that look the same
Have operations, numbers and variables
16
Base
The main number
The number of times you multiply the expression
The power
The number being raised to an exponent
17
Write as an algebraic expression...
5 - c + d
d + (c - 5)
5c + d
(c - 5) + d
18
Solve using Order of Operations:
20
64
46
76
19
Write as an algebraic expression
15m
m÷15
15÷m
m + 15
20
Range
The y-values of a function
The input values of a function
The x-values of a function
The output values of a function
21
Vertical Line Test
Shows the relationship between two quantities
Determines whether a relation is a function
A test that determines the value of a function
If you can draw a line through 2 points, then a relation is not a function
22
Apply the order of operations:
25
-100
100
I don't know
23
Write the algebraic expression for the following.
18 - n
18n
18/n
18 + n
24
Output
The x-values of a function
The domain of a function
The y-values of a function
The range of a function
25
Combine the like terms
-4n+5
-4n-5
4n+5
4n-5
26
Variable
Can change based on the value
A letter that takes the place of an unknown number
Contains numbers and operations
A number that takes the place of an unknown letter
27
Exponent
The number that is being multiplied
The power of the expression
An expression which is written out
The number of times to multiply the base
28
Is this a function?
No
Yes
29
Is this a function?
No
Yes
30
Function
Each y matches to only one x
Each x matches to only one y
Has an input and output
A complex mathematical expression used to evaluate variables
31
Evaluate.
36
-144
144
-36
32
Simplify
To make an expression easier to understand
To reduce a fraction
To find the smallest value
To make the smallest and/or least complex
33
Use the Distributive property to simplify this expression: 4(W+2)
W+8
4W+2
4W+8
8W+4
34
Use the Distributive Property and combine like terms if necessary.
-20 + 8t
-20 - 8t
-20 - 2t
-12t
35
Apply the order of operations:
I don't know
−11
10
11
36
Combine like terms:
2x2 + 4x + 5
3x2 + 6x + 5
5x2 + 3 x + 6
x2 + x + 5
37
Distributive Property
a+(b+c) = (a+b)+c
Allows you to easily multiply complicated expressions
a(b+c) = ab+ac
Allows you to reorder the parentheses
38
Numerical Expression
Contains numbers, variables and operations
Contains numbers and operations
An expression with an equal sign
Contains numbers
39
Is this graph a function?
No, because the graph is in different quadrants
No, because the graph is not continuous.
Yes, because it has two different colors for the graph
Yes, because it passes the vertical line test.
40
Is this mapping a function?
yes
no
41
Is this a function?
Yes
No
42
Coefficient
The highest exponent of an expression
A letter that takes the place of a number
A number in front of a variable
Contains numbers, variables and operations
43
Write the algebraic expression for the following.
x/7
7x
x - 7
x + 7
44
Is this a function?
no
yes
45
Is this a function?
No
Yes
46
Expanded Form
Combines all exponents into one term
A numerical form involving exponents
A way to write exponents
A power written as repeated multiplication
47
Like Terms
Terms with the same variable
Terms with the same variable and exponent
Terms that are similar
Terms with the same power
48
Associative Property
a + b = b + a
Allows you to change the order of variables
Allows you to change the parentheses without changing the answer
a+(b+c) = (a+b)+c
49
Write as an algebraic expression
6 - n/7
6n/7
7n - 6
n/7 - 6
50
Write an algebraic expression for the verbal expression
3(2x-y)+2(4x+y)
2(2x-y)+3(4x+y)
3(x-2y)+2(4x+y)
3(2x+y)+2(4x-y)
51
Evaluate
The property that states that a+b+c = b+a+c
To solve
To calculate
To find a numerical value
52
Relation
A function
Shows that two things are equivalent
A comparison between two values
A set of ordered pairs
53
Algebraic Expression
Contains numbers, variables, operations
Contains numbers, variables and an equal sign
Contains variables and an equal sign
An expression which states that two quantities are equal
54
Simplify the expression, using the Distributive Property; 9(3+c+4)
Answer Not Shown
27 + c + 36
63+ 9c
63 + c
55
Domain
The x-values of a function
The output values of a function
The input values of a function
The y-values of a function
