surds in algebra Flashcards
1
Q
What is a surd?
A
A surd is an irrational number that can be expressed as a root of a whole number.
2
Q
True or False: The square root of 16 is a surd.
A
False
3
Q
Which of the following is a surd? A) √25 B) √2 C) √36
A
B) √2
4
Q
Fill in the blank: The expression √n is a surd if n is ______.
A
not a perfect square
5
Q
Simplify the surd √50.
A
5√2
6
Q
What is the result of adding the surds √3 and √3?
A
2√3
7
Q
True or False: Surds can be added or subtracted only if they have the same radicand.
A
True
8
Q
What is the product of √2 and √8?
A
4
9
Q
Which property allows you to combine surds: A) Commutative B) Associative C) Distributive D) All of the above?
A
D) All of the above
10
Q
What is the simplified form of √(a^2 * b)?
A
a√b