ETTControl v.3.0.6. Todo lo que quieras en pocos clics ¿TE LO IMAGINAS?
Warm-Up Change each decimal to a fraction: 1.0.878 2.0.45 3.0.6 4.0.1234.
-
Upload
justina-jenkins -
Category
Documents
-
view
218 -
download
3
Transcript of Warm-Up Change each decimal to a fraction: 1.0.878 2.0.45 3.0.6 4.0.1234.
Warm-UpChange each decimal to a fraction:
1. 0.878
2. 0.45
3. 0.6
4. 0.1234
Pre-Algebra
9.1 Squares and Square Roots
VocabularySquare
to multiply a number by itself
Example: 2 Squared = 2 x 2 = 4
Perfect Squares
numbers that have whole number factors you can square
Example: 5 x 5 = 25 8 x 8 = 64 13 x 13 = 169
Square Root
one of two equal factors of a number
The SQUARE ROOT of 36 is 6, because you can square 6 to get 36
6 x 6 = 36
Radical Sign
used to indicate a square root
CANNOT have a negative UNDER the radical sign
Find each square root:1. 2.
3. 4.
Find the square roots:5. 6.
7.
9.2 The Real Number System
Pre-Algebra
VocabularyNatural Numbers – 1, 2, 3, 4…
Whole Numbers – 0, 1, 2, 3, 4…
Integers - -2, -1, 0, 1, 2,…
Rational Numbers – any number that can be expressed as a fraction where the denominator is not 0 and the decimal STOPS or REPEATS!!!
Irrational Numbers – numbers that DO NOT REPEAT and DO NOT STOP!!!
Number Irrational Rational Natural Whole Integer
17
-72/6
√225
0.246
√52
1. Name all of the sets of numbers to which each real number belongs. You can mark the correct answers with a check mark! More than one may apply!
Replace the ____with <, >, or = to make the following statement true.
2. √125 ______ 11 7/8
Order 6, ¼, √38, 6.5, and √36 from least to greatest!
3.
Breaking down a square root that is not a perfect root, with out giving a
decimal!
4. √40 5. √68
6. √132 7. √94
Solve the equations:
9. w2 = 169 10. r2 = 50
9.1 Study Guide and Intervention
Homework: 9.2 Practice #’s 1-31 ODD
Homework: 9.1 Skills Practice ODD