Assignment: Adding and Subtracting Radicals (100%)

Which of the following are like radicals? Check all of the boxes that apply.

A,B,D,F

Find the difference:

B

Simplify the following expression completely, where x 0.

B

Which expression equals ? Find the sum .

B D

Pam's eye-level height is 256 feet above sea level and Adam's eye-level height is 400 feet above sea level. What expression shows how much farther Adam can see to the horizon? In simplest terms, Adam can see a√b feet farther than Pam.

B a=2, b=6

Find the perimeter of the quadrilateral in simplest form

C

Which is a like radical to after simplifying? What is the radical part of both and when the expressions are simplified?

D) 3√128 A) 3√2

What is the student's error?

D) The student incorrectly simplified .