Notes Day 3 Topic 10 - Adding and Subtracting Radicals

​Notes Day 3 Topic 3

​Go through the lesson and take notes. Click on the audio button to explain the problems.

Math Response

$$8\sqrt[]{30}-4\sqrt[]{30}$$

Type answer here

Correct Answer: 4\sqrt{30}

Deg^°

Rad

Math Response

$$2\ \sqrt[]{5}+7\ \sqrt[]{5}-5\ \sqrt[]{5}$$

Type answer here

Correct Answer: 4\sqrt{5}

Deg^°

Rad

Math Response

$$7\ \sqrt[]{13x}-14\ \sqrt[]{13x}+2\ \sqrt[]{13x}$$

Type answer here

Correct Answer: -5\sqrt{13x}

Deg^°

Rad

Math Response

$$2\ \sqrt[]{45}+4\ \sqrt[]{20}$$

Type answer here

Correct Answer: 14\sqrt{5}

Deg^°

Rad

Math Response

$$\sqrt[]{40}-\ \sqrt[]{10}+\ \sqrt[]{90}$$

Type answer here

Correct Answer: 4\sqrt{10}

Deg^°

Rad

Math Response

$$\sqrt[]{27}\ +\ \sqrt[]{18}+\ \sqrt[]{300}$$

Type answer here

Correct Answer: 13\sqrt{3}+3\sqrt{2}

Deg^°

Rad

Math Response

$$5\ \sqrt[\ ]{8}+3\ \sqrt[]{20}\ -\sqrt[]{32}$$

Type answer here

Correct Answer: 6\sqrt{2}+6\sqrt{5}

Deg^°

Rad

Multiple Choice

• 11√5

• 11√10

• 5√5

• 12√10

Multiple Choice

$$3\sqrt{6}+4\sqrt{6}$$  

• 42

• 7√6

• 7√12

• √12

Multiple Choice

• 7√3

• Can't Simplify

• 6√15

• 6√3

Multiple Choice

Simplify 2√3 + 5√7 - 3√7 + 6√3

• 8√3 + 2√7

• 10√10

• 11√3 - √7

• 12√3 - 15√7

Multiple Choice

Which cannot be added or subtracted?
A) 12√5 + 4√5
B) 2√3 + 4√3
C) 4√5 - 4√7
D) 2√9 + 4√9

• A

• B

• C

• D

Multiple Choice

$$10\sqrt{45}-\sqrt{20}$$  

• $$32\sqrt{5}$$  

• $$88\sqrt{5}$$  

• $$28\sqrt{5}$$  

​Homework Assignment

WS Day 3 Topic 10