Grade 7 Item 275243

275243
Which number is
0
A
v'I6
0
B.
J24
0
c.
v'49
0
D.
J121
not rational?
ItemID275243
RATIONALE A
RATIONALE B
RATIONALE C
RATIONALE D
Sqrt(16) = 4 which is a rational number.
Correct. Sqrt(24) = 2*sqrt(6) = 4.8989794855… is irrational.
Sqrt(49) = 7 which is a rational number.
Sqrt(121) = 11 which is a rational number.