How to find the distributive property - ISEE Middle Level Quantitative Reasoning

Card 0 of 11

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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