∑
Math Atelier
Home
Learn
Practice
Assessments
Worksheets
Videos
DE
Start practice
Home
→
Learn
→
Practice
→
Assessments
→
Worksheets
→
Videos
→
Start practice
DE
Proof & logic · UNI_BRIDGE
Direct proof
Foundation
Core
Stretch
Question 1/8
+12 XP
For an even integer n,
n
=
2
k
. Which expression directly shows
n
2
is even?
A
n
2
=
2
(
2
k
2
)
B
n
2
=
2
k
+
1
C
n
2
=
k
2
Hint 1/3
Check