Rational and Irrational Number Operations
Algebra · Flashcards · Recall
ALGEBRA · FLASHCARDS
Card 1
of 25
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What is the definition of a rational number in fraction form?
QUESTION
Identify the correct conclusion: if
r
r
r
is rational and
i
i
i
is irrational, what is
i
−
r
i-r
i
−
r
?
QUESTION
What special case makes
r
i
ri
r
i
rational when
r
r
r
is rational and
i
i
i
is irrational?
Tap to flip before you grade
ANSWER
If
r
=
0
r=0
r
=
0
, then
r
i
=
0
ri=0
r
i
=
0
is rational. Zero times any number equals zero, which is rational.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card