Distributive Property - ISEE Middle Level Quantitative Reasoning

Card 0 of 590

Question

Which is the greater quantity?

(a)

(b)

Answer

Apply the distributive property to the expression in (a):

, so regardless of .

Therefore,

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Question

Which is the greater quantity?

(a)

(b)

Answer

Apply the distributive and commutative properties to the expression in (a):

The two expressions are equivalent.

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Question

Which is the greater quantity?

(a)

(b)

Answer

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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Question

Which is the greater quantity?

(a)

(b)

Answer

Apply the distributive property to the expression in (a):

Since , , and therefore, regardless of ,

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Question

and are positive integers.

Which of the following is greater?

(A)

(b)

Answer

(A) and (B) are equivalent variable expressions and are therefore equal regardless of the values of and .

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Question

Which of the following is equivalent to ?

Answer

We can best solve this by factoring 4 from both terms, and distributing it out:

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Question

Simplify the below:

Answer

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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Question

Simplify the below:

Answer

We must use the distributive property in this case to multiply the 4 by both the 3x and 5.

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Question

and are positive numbers. Which is the greater quantity?

(a)

(b)

Answer

Since is positive, and , then, by the properties of inequality,

and

.

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Question

is the additive inverse of . Which is the greater quantity?

(a)

(b)

Answer

is the additive inverse of , so, by definition, .

.

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Question

is the multiplicative inverse of . Which is the greater quantity?

(a)

(b)

Answer

is the multiplicative inverse of , so, by definition, . Therefore,

.

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Question

Answer

First perform the addition, then the multiplication:

Answer:

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Question

Answer

First perform the addition, then the multiplication:

Answer:

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Question

Answer

First add the numbers in parentheses, and then multiply by the outside term:

Answer:

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Question

Answer

First complete the addition, and then complete the multiplication:

Answer:

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Question

Which of the following expressions is equivalent to the expression below?

Answer

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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Question

Answer

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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Question

Answer

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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Question

Answer

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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Question

Answer

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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