Square Roots
sqrt 25
What is
5 and -5
Find the cube root of
root(3)(8)
What is
2
What is a perfect square?
perfect square is an integer that is the square of an integer
Example:
16 = 4^2 = 4 * 4
Solve for x
16 = x^2
What is
x= 4 and x=-4
Find the cube root of
root(3)(-8)
What is
-2
What is an irrational number?
An irrational is any number that cannot be written in the form of
a/b with b != 0
Any time you take the square root of a number, you have how many solutions?
Two Solutions, positive and negative
Anytime you take the cube root of a number, how many solutions do you have?
One solution
Approximate the irrational number
sqrt62
what is
7.9 and -7.9
Order from least to greatest
sqrt 16, 4.2, 39/8
sqrt 16, 4.2, 39/8
sqrt -4
Cannot do currently!
Solve for x
x^3 =(-64)
What is
-4
Approximate for x
x^2 = 18
x=4.2 and x=-4.2
Order from least to greatest
sqrt 33 , sqrt 5, sqrt67, sqrt15673, sqrt 2.567
sqrt 2.567, sqrt 5 , sqrt 33, sqrt 67, sqrt 15673
Solve for x
x^2 = sqrt 441
What is
x = 21 and x=-21
Solve for x
216 = x^3
What is
x=6
Approximate for x
x^3 = -11
x~~-2.2
Order the following from least to greatest
sqrt 8 , pi , 3.14, 25/10
25/10 , sqrt8 , 3.14, pi