Adding two radical expressions by simplifying first

What is necessary for adding or subtracting radical expressions?

• Same base

• Same exponents

• Same radicand and root

• Same coefficients

Which method does the teacher prefer for simplifying radicals?

• Using logarithms

• Using known square numbers

• Using a factor tree

• Using a calculator

What is the square root of 16?

• 3

• 5

• 2

• 4

What is the result of combining 12X and 20X?

• 30X

• 42X

• 32X

• 22X

What is the final simplified expression in the problem?

• 30X times sqrt X

• 32X times sqrt X

• 30X times sqrt 2X

• 32X times sqrt 2X