Radicals pre-assessment

What is a prime number?

• A number that works well in any problem and gives nice, decimal free answers

• A number that is divisible by only itself and 1.

• A number that is inside the square root symbol

• The number that is on the outside of a square root symbol

Which of the following is NOT a prime number?

• 2

• 3

• 5

• 9

Which of the following IS a prime number?

• 2

• 4

• 9

• 21

The √a × √b is equal to:

• √a + √b

• a × b

• c

• √ab

When there is no number outside the square root sign (in the INDEX position) it is automatically implied that the index is:

• 4

• 3

• 2

• n

What is the √80 simplified to its EXACT answer?

• Almost 9 something

• 4√5

• 5√4

• 2√5

What is the ∛8

• 24

• 2√2

• 2

• 2.56783

The number that is inside the square root symbol is called the:

• radicand

• index

• the root

• radix

What is the square root of x²?

• X * X

• X

• 2x

• √x

True or False: Square Roots can be numerators or denominators in your simplified, and final answer

• True - That is how they get simplified

• False - Square roots can be in the numerator, but not the denominator

• False - Square roots can be in the denominator, but not the numerator