Simplifying Radicals Quiz

What is the term used for the number under the radical sign?

• Exponent

• Root

• Radicand

• Index

Which of the following is a perfect square?

• 15

• 25

• 20

• 30

Which of the following is NOT a perfect square?

• 50

• 64

• 49

• 36

Why might one prefer to simplify radicals instead of using a calculator?

• To make calculations faster

• To obtain an exact answer

• To get a decimal approximation

• To avoid using any numbers

What is the first step in simplifying a radical?

• Add the index to the radicand

• Multiply the radicand by itself

• Find the largest perfect square factor

• Divide the radicand by 2

In the example of simplifying the square root of 18, which perfect square is used?

• 25

• 16

• 9

• 4

What is the simplified form of 3 times the square root of 98?

• 21√2

• 49√3

• 3√2

• 3√49

What is the simplified form of the square root of 80?

• 4√5

• 2√20

• 5√16

• 8√10

What is the result of simplifying the square root of 9 over the square root of 49?

• 3/7

• 7/3

• 1/3

• 9/49

Which of the following is an example of a simple radical form?

• 4√16

• 5√20

• 2√3

• 3√8