Question

1/2a^2 - 1/4a For a=4

Answer 1

substitute a with 4....where are you confused tehre?

Answer 2

1/2(4)^2 - 1/4(4)
1/2 (16) - 1/4(4)
16/2- 4/4 ???

Answer 3

that depends... is the question \[\frac 12 a^2 - \frac 14a\]or\[\frac 1{2a^2} - \frac 1{4a}\]

Answer 4

its
1/2a2 - 1/4a

Answer 5

?

Answer 6

a^2

Answer 7

a^2 = \(a^2\)

Answer 8

I am working on polynomials. The question says to "Evaluate the expression"

1/2a^2 - 1/4a For a= 4

Answer 9

and i am asking you how the question looks like...

Answer 10

How do you get your equation to look like a real exponent on here?

Answer 11

is the a in the denominator or not?

Answer 12

is it \[\huge \frac 12 a^2 - \frac 14a\]
or \[\huge \frac 1{2a^2} - \frac 1{4a}\]

Answer 13

no, it is to the side of the of the fraction

Answer 14

then you're right

Answer 15

Got it.... thank you- but seriously. how did you type out the equation like that on the computer

Answer 16

do you see that box that says \[\huge \boxed{\sum \; \rm{Equation}}\]

Answer 17

below the comment box

Answer 18

yes

Answer 19

oh.. cool.. thank you

Answer 20

welcome