If n=-8, what is the smallest perfect square that is greater than n^2 ?
a. 64
b. -64
c. 81
d. -81
e. 16
please answer and explain
4 answers
81 > n^2 = (-8)^2
a. 64
i use (-8)x (-8) = 64
I use calculator X^2
-8^2 = -64
I use calculator X^2
-8^2 = -64
However, they are asking for the smallest square greater than 64, which is 81.
Note that
-8^2 = -(8^2) = -64
(-8)^2 = +64
Note that
-8^2 = -(8^2) = -64
(-8)^2 = +64