Card 0 of 590
Which is the greater quantity?
(a)
(b)
Apply the distributive property to the expression in (a):
, so
regardless of
.
Therefore,
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Which is the greater quantity?
(a)
(b)
Apply the distributive and commutative properties to the expression in (a):
The two expressions are equivalent.
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Which is the greater quantity?
(a)
(b)
We show that there is at least one value of that makes the (a) greater and at least one that makes (b) greater:
Case 1:
(a)
(b)
(b) is greater here
Case 2:
(a)
(b)
(a) is greater here
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Which is the greater quantity?
(a)
(b)
Apply the distributive property to the expression in (a):
Since ,
, and therefore, regardless of
,
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and
are positive integers.
Which of the following is greater?
(A)
(b)
(A) and (B) are equivalent variable expressions and are therefore equal regardless of the values of and
.
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Which of the following is equivalent to ?
We can best solve this by factoring 4 from both terms, and distributing it out:
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Simplify the below:
In order to simiplify we must first distribute the -2 only to what is inside the ( ):
Now, we must combine like terms:
This gives us the final answer:
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Simplify the below:
We must use the distributive property in this case to multiply the 4 by both the 3x and 5.
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and
are positive numbers. Which is the greater quantity?
(a)
(b)
Since is positive, and
, then, by the properties of inequality,
and
.
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is the additive inverse of
. Which is the greater quantity?
(a)
(b)
is the additive inverse of
, so, by definition,
.
.
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is the multiplicative inverse of
. Which is the greater quantity?
(a)
(b)
is the multiplicative inverse of
, so, by definition,
. Therefore,
.
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Which of the following expressions is equivalent to the expression below?
First, we can distribute the into the parentheses.
Now we can simplify the terms.
Subtracting a negative is the same as adding a positive.
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Using the distributive property, multiply 3 times each of the numbers in parentheses, then add both products:
The answer is 27.
Alternatively, add the two terms inside the parentheses and then multiply the sum by 3:
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Using the distributive property, multiply times each of the numbers in parenthesis then add.
The answer is
Alternatively, add the two terms inside the parentheses and then multiply the sum by :
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First, using the distributive property, multiply 5 times each number in parenthesis, then add the products.
Finally, divide the numerator by the denominator.
The answer is 7.
Alternatively, first cancel the 5s and then add the terms in the parentheses:
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Using the distributive property, multiply 12 by each of the numbers is parentheses:
Add the products to find the answer:
The answer is
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First complete the addition in the parentheses, then multiply the two values:
11 (8 + 3)
= 11 (11)
= 121
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Simplify the expression:
Apply the distributive property:
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Simplify the expression:
Apply the distributive property:
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Which of the following expressions is equal to according to the distributive property of multiplication over addition?
According to the distributive property, for any values of ,
If we set , this becomes the statement
.
Note that two of the other choices are equal to , but for different reasons;
is equivalent because of the commutative property of addition, and
is equivalent because of the commutative property of multiplication. The other two choices are not equal to
at all.
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