Surds
- Created by: Juliette
- Created on: 12-02-14 19:26
Fullscreen
Surds
Surds are roots that cannot be rounded exactly.
e.g √7= surd; √9= not
Ex. Simplify
a) √128 b) √500 c) √98
√64 √2 √100√5 √49√2
= 8√2 =10√5 =7√2
Harder example of rationalising the denominator
a)
√39 √3 √39√3 √117 √9√13 3√13 ( 3's cancel eachother out)
___ x ___ = ___ = ___…
Comments
No comments have yet been made