(7.2) Finding Cube Roots
1) Cube Root ( 3 ) – the answer to a number multiplied by itself 3
times.
2) Perfect cube: 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000, …
–1, –8, –27, –64, –125, –216, –343, –512, –729, –1000, …
Find each cube root.
3)
3
4) 3 −729
512
5) 3 −
Evaluate each expression.
6) 3 125 − 8
3
8) Evaluate
7)
w 3w
−
when w = 1080
30
5
(
3
)
3
27 − 4
125
343