Upload
oscar-green
View
212
Download
0
Embed Size (px)
Citation preview
Squares and Square Roots
Objective: Students will be able to successfully multiply and simplify expressions using squares and square roots.
Warm-UpEvaluate:
23
8
2
3
8
5 2 3 3 4 5
7
Squares and Square Roots
Definitions• What two “things” create real
numbers?o Rational numberso Irrational numbers
• Rational Number:o Positive and Negative Whole
Numberso Fractions (and decimals) that
terminateo Fractions (and decimals) that repeat
• Irrational Number:o A number that has a decimal that
doesn’t end and has no pattern.o π and e
• What is a perfect square?– A rational number that is created by
multiplying two of the exact same number
– Will always be positive!!
• What is a square root?– Stating the number that creates the
value underneath the root– Square roots can only be taken of
positive numbers!
• What is an imaginary number????o A number that can’t be calculated
or approximatedo i – what’s that?
Squares and Square Roots
Calculate the following:•
•
•
•
10
3
15
21
7
11
3210
Squares and Square Roots
• Homework:– Finish worksheet