Math 9 Chapter 1 -Square Roots, Powers, and Exponent Laws Flashcards
Natural Numbers
1,2,3…
Whole Numbers
0,1,2,3…
Integers
… -3,-2,-1,0,1,2,3, …
Rational Numbers
All the numbers that can be written as a fraction with the denominator not equal to zero.

Irrational Numbers

Real Numbers
The rational numbers and irrational numbers combined.

Are the following numbers irrational numbers?

No
Are the following numbers irrational number?

yes
Are the following numbers irrational numbers?

No
Are the following numbers irrational number?

yes
Are the following numbers rational numbers?

Yes
What is a radical sign?

What is Perfect Square?
A number with a rational square root.
What is the squrare root of 121?
11
What is the squrare root of 144?
12
What is the squrare root of 169?
13
What is the squrare root of 196?
14
What is the squrare root of 225?
15
What is the squrare root of 256?
16
What is the squrare root of 289?
17
What is the squrare root of 324?
18
What is the squrare root of 361?
19
What is the squrare root of 400?
20
What is the squrare root of 441?
21
What is the squrare root of 484?
22
What is the squrare root of 529?
23
What is the squrare root of 576?
24
What is the squrare root of 625?
25




Approximate square roots without a calculator




The Pythagorean Theorem
a2 + b2 = c2



Non-Calculator methonds of Approximating Squre Roots
Heron’s Method

Use Heron’s Method to find the square roots


Finding square roots using an algorithm



Exponential Notation

The product of Negative Numbers

A product of negative numbers is even or odd is where the negative sign lies in relation to the brackets.
(-2)4
- (2)4
- 24

a1=a, for any number a.
a0=1, for any non-zero number a.
note: 00 is not defined.
Rules for order of Operations


