Question

Evaluate -2a^2 if a = -5/2

Answer 1

ok so can u tell me : what is \[\huge{(\frac{-5}{2})^2}\]

Answer 2

6.25

Answer 3

-6.25

Answer 4

ok just tell me the value in fractions

Answer 5

6 1/4

Answer 6

ok so according to you :

\[\huge{\frac{-5^2}{2^2}=\frac{61}{4}}\]

Answer 7

so what is (-5)^2 ?

Answer 8

-25/2

Answer 9

sorry to say champs but u r wrong ..

Answer 10

:O why?

Answer 11

i'm lost..