Operations with radicals
- Intro Lesson16:11
- Lesson: 1a0:22
- Lesson: 1b1:00
- Lesson: 1c2:56
- Lesson: 1d0:28
- Lesson: 1e3:34
- Lesson: 2a6:43
- Lesson: 2b4:28
- Lesson: 2c5:42
- Lesson: 2d2:48
- Lesson: 2e5:58
- Lesson: 2f2:41
- Lesson: 318:21
- Lesson: 4a0:55
- Lesson: 4b0:37
- Lesson: 4c3:29
- Lesson: 4d1:57
Operations with radicals
Related Concepts: Basic radical functions, Transformations of radical functions, Square root of a function, Solving radical equations
Lessons
⋅ even root: evenpositive=defined i.e. 64=8
evennegative=undefined i.e. −64=undefined
⋅ odd root: oddpositiveornegative=defined i.e. 364=4
i.e. 3−64=−4
evennegative=undefined i.e. −64=undefined
⋅ odd root: oddpositiveornegative=defined i.e. 364=4
i.e. 3−64=−4
- Introduction⋅What is a "radical"?
⋅square root VS. cubic root
⋅common squares to memorize
- 1.Evaluating Radicals Algebraically
Without using a calculator, evaluate:a)−9b)3−27c)6641d)4−81e)9364 - 2.Evaluating Radicals Using a Calculator
Use a calculator to determine:a)6729b)5−1024c)524332d)6600e)50.5f)43436 - 3.Radical Rules
Combining radicals: Do's and Don'ts - 4.Determine whether the following statements are true or false.a)2×3=6b)1020=2c)15⋅30⋅2=900d)35⋅325=5