surds 🍨 Flashcards
A surd is a rational number that cannot be accurately represented as a ratio.
1
Q
√a × √b
A
√(a × b)
2
Q
√a ÷ √b
A
√(a ÷ b)
3
Q
for a single-term denominator, multiply the top and bottom of the fraction by…
A
the surd itself
4
Q
for a binomial denominator, multiply the top and bottom of the fraction by…
A
denominators conjugate
5
Q
conjugate definition
A
opposite arithmetic term
6
Q
how can i identify surds?
A
check if the radicand is a perfect square
7
Q
what is the radicand?
A
the number under the root
8
Q
r / √s
A
( r / √s) * (√s / √s)
