Chapter 3 Lesson 8a: Square Roots · 2017. 10. 11. · 11a Ch3 Lesson 8a...
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11a Ch3 Lesson 8a SquareRootsADVANCED.notebook October 02, 2017 WarmUp: Calculate the following in scientific notation Chapter 3 Lesson 8a: Square Roots 1.) (5.2 x 10 8 ) (3.6 x 10 7 ) 2.) (4.8 x 10 5 ) ÷ (1.6 x 10 2 ) Perfect Squares Complete your bookmark... 1 2 = ____ 2 2 = ____ 3 2 = ____ 4 2 = ____ 5 2 = ____ 6 2 = ____ 7 2 = ____ 8 2 = ____ 9 2 = ____ 10 2 = ____ 11 2 = ____ 12 2 = ____ 13 2 = ____ 14 2 = ____ 15 2 = ____ 16 2 = ____ 17 2 = ____ 18 2 = ____ 19 2 = ____ 20 2 = ____ 25 2 = ____ 21 2 = ____ 22 2 = ____ 23 2 = ____ 24 2 = ____
Transcript of Chapter 3 Lesson 8a: Square Roots · 2017. 10. 11. · 11a Ch3 Lesson 8a...
11a Ch3 Lesson 8a SquareRootsADVANCED.notebook October 02, 2017
WarmUp:Calculate the following in scientific notation
Chapter 3 Lesson 8a: Square Roots
1.) (5.2 x 108) (3.6 x 107)
2.) (4.8 x 105) ÷ (1.6 x 102)
Perfect SquaresComplete your bookmark...
12 = ____
22 = ____
32 = ____
42 = ____
52 = ____
62 = ____
72 = ____
82 = ____
92 = ____
102 = ____
112 = ____
122 = ____
132 = ____
142 = ____
152 = ____
162 = ____
172 = ____
182 = ____
192 = ____202 = ____
252 = ____
212 = ____
222 = ____
232 = ____242 = ____
11a Ch3 Lesson 8a SquareRootsADVANCED.notebook October 02, 2017
Words:The square root of a number is
_______________________________________________one of its two equal factors
Symbols:If x2 = y, then x is the square root of y.
Example:If 52 = 25, then 5 is the square root of 25.
Every positive number has both a ______________ and
a ________________ square root.
A radical sign ______ is used to indicate the principal
square root (the positive root).
If n2 = a, then n = +_ √ a
11a Ch3 Lesson 8a SquareRootsADVANCED.notebook October 02, 2017
Examples:
1.) √64 2.) √1.21
3.) 2536 4.) √16
+_
Got it? Now you try...
a.) 9 16
b.) √0.81
c.) 49 d.) √100
+_
11a Ch3 Lesson 8a SquareRootsADVANCED.notebook October 02, 2017
Example: Equations with exponents/radicals
5.) Solve t2 = 169. Check your solutions.
Got it? Do these to find out...
e.) 289 = a2
f.) m2 = 0.09
g.) y2 = 425
11a Ch3 Lesson 8a SquareRootsADVANCED.notebook October 02, 2017
Homework ~
