Radicals Flashcards
1
Q
The most commonly occurring radicals are square roots. What does the symbol “√” mean?
A
The symbol “√” means “the positive square root of”.
Thus, x = √a means x2= a and x ≥ 0.
2
Q
What is the rule for √ab when working with square roots?
A
√ab = √a√b
3
Q
What is the rule for √a/b when working with square roots?
A
√a/b = √a/√b
4
Q
True or False:
√a+b = √a + √b
A
False
5
Q
True or False:
x = n√a means xn= a
if n is even, then a ≥ 0 and x ≥ 0
A
True
