ISEE Middle Level Math : How to find the square root

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #11 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Possible Answers:

Correct answer:

Explanation:

First find the square root of each number:

Then, solve accordingly:

The answer is 84.

 

Example Question #12 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Possible Answers:

Correct answer:

Explanation:

First, find the square root for each number:

Then, solve accordingly:

The answer is 528.

Example Question #11 : Squares / Square Roots

Evaluate: 

Possible Answers:

Correct answer:

Explanation:

The square root of a number is the number which, when squared (multiplied by itself), yields that number.

, so 

, so 

Example Question #11 : Squares / Square Roots

Evaluate: 

Possible Answers:

 is undefined in the set of real numbers.

Correct answer:

 is undefined in the set of real numbers.

Explanation:

Since negative numbers do not have square roots in the real number system,  is undefined - and, subsequently, so is  - in the set of real numbers.

Example Question #11 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Possible Answers:

Correct answer:

Explanation:

First, find the square root for each:

Then, multiply:

Answer: 140.

Example Question #16 : Isee Middle Level (Grades 7 8) Mathematics Achievement

What is the square root of ?

Possible Answers:

Correct answer:

Explanation:

In order to find the square root of 5625, we must find a number that when multiplied by itself, gives a product of 5625.  Since , our answer is .

Example Question #12 : Squares / Square Roots

What is the square root of the sum of  and ?

Possible Answers:

Correct answer:

Explanation:

In order to find the square root of the sum of and , we must first find the sum by adding them together.  

Next we must find a number that when multiplied by itself yields a product of 100.  Since , our answer is .

Example Question #11 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Possible Answers:

Correct answer:

Explanation:

First, find the square roots:

Then, solve accordingly:

Example Question #11 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Possible Answers:

Correct answer:

Explanation:

FIrst, find the square roots:

Then solve accordingly:

 

Example Question #12 : Isee Middle Level (Grades 7 8) Mathematics Achievement

Possible Answers:

Correct answer:

Explanation:

First, solve the square roots:

Then, solve accordingly:

 

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