Multiplying and Simplifying Square Roots

The video tutorial explains how to multiply square roots by multiplying the numbers outside and inside the roots separately. It demonstrates the process of breaking down numbers and variables to simplify the expression. The tutorial concludes with the final simplified result, emphasizing the importance of identifying pairs of numbers or variables to extract from the square root.

What is the basic rule for multiplying square roots?

• Divide the outside parts and multiply the inside parts

• Subtract the outside parts and add the inside parts

• Add the outside parts together and the inside parts together

• Multiply the outside parts together and the inside parts together

When setting up the multiplication of square roots, what should you do with the outside parts?

• Divide them

• Multiply them together

• Add them together

• Subtract them

How should you handle the inside parts of the square roots when setting up the multiplication?

• Subtract them

• Add them together

• Divide them

• Multiply them together

What is the first step in breaking down the numbers and variables inside the square root?

• Break down each number and variable into its prime factors

• Ignore the numbers and focus on the variables

• Separate the numbers and variables

• Combine all numbers and variables

Can the number 7 be broken down further when simplifying square roots?

• No, it becomes 14

• Yes, into 1 and 6

• No, it stays as 7

• Yes, into 3 and 4

Tags

CCSS.4.OA.C.5

How can the number 14 be broken down for simplification?

• 7 times 3

• 7 times 2

• 5 times 3

• 2 times 2

What does a square root mean in terms of finding pairs?

• Finding three identical numbers

• Finding one number and one variable

• Finding two identical numbers or variables

• Finding two different numbers

What pairs can be taken out of the square root in this example?

• Pairs of 2s and 3s

• Pairs of 7s and Xs

• Pairs of 14s and Xs

• Pairs of 7s and 14s

What is the final step in simplifying and multiplying square roots?

• Dividing the remaining numbers

• Adding the remaining numbers

• Multiplying the remaining numbers

• Subtracting the remaining numbers

What is the final simplified form of the given square root multiplication?

• 42 * sqrt(7x)

• 42x * sqrt(7x)

• 42 * sqrt(2x)

• 42x * sqrt(2x)