6.6 Rational Exponents
1
𝑛
𝑏 𝑛 = √𝑏
Ex. 1 Write in radical form.
1
1
a) 𝑎5
b) 𝑥 6
Ex. 2 Write in exponential form.
8
4
a) √𝑐
b) √𝑧
Ex. 3 Evaluate
−1
a) 81 4
𝑥
−1
b) 32 5
𝑦
𝑏 𝑦 = √𝑏 𝑥
Ex. 4 Change from radical form to exponential form or vice versa.
8
a) √𝑐 3
−2
b) 27 3