1/2 Exponents and Radicals 1/3 - dozier math€¦ · 29/09/2017 · C0S7D1.notebook 1 September...
5
C0S7D1.notebook 1 September 29, 2017 Chapter 0 Section 7 Exponents and Radicals √ b=b 1/n n Square root = 1/2 power Cube Root = 1/3 power 25 1/2 8 1/3 (27) 1/3 27 1/3 Example 1
Transcript of 1/2 Exponents and Radicals 1/3 - dozier math€¦ · 29/09/2017 · C0S7D1.notebook 1 September...
C0S7D1.notebook
1
September 29, 2017
Chapter 0Section 7
Exponents and Radicals
√b = b1/nn
Square root = 1/2 power
Cube Root = 1/3 power
251/2
81/3
(27)1/3
271/3
Example 1
C0S7D1.notebook
2
September 29, 2017
bm/n = √bm = (√b)mm is a powern is a root
82/3
85/3
Negative powers in the numerator move to the denominator
322/5
1 2/38
Example 2
Do the root first and then the power!
Example 3
n n
C0S7D1.notebook
3
September 29, 2017
Properties of Power hold true even with fractions
xm xn = xm +n
(xm)n = xmn
x1/2 x2/3
(a2/3)3/2
(162/3)1/2
y3/4y1/2
Example 4
C0S7D1.notebook
4
September 29, 2017
Example 5
Express answer with positive exponents only
x1/2 6y1/3
3 x1/2 (x3/4 )
42a1/428a1/9
C0S7D1.notebook
5
September 29, 2017
Homework 7AP 79 # 132
