Zusammenfassung der Ressource
Radicals
- Simplifying Radicals
- When it's not a fraction, and when it
has no more square factors.
- Adding and Subtracting Radicals
- To add radicals you have to have the same number in both
of the radicals. You have to add and subtract "like"
variables.
- Radicals must be the same before you add or subtract them.
Not the outside number, the number in the radical sign.
- You add and subtract the diff. numbers in front of the radical sign. The numbers under the sign are alike.
- Multiplying Radicals
- Multiply the numbers outside the radical sign, and then
multiply the numbers inside the radical sign.
- Radical
- Looks like a square root sign. But it can also be used to describe the
cube root, fifth root, and much higher.