Question

Really need help.
Which of the following is not a rational expression?
a:1/3x^2+5
b: 3x^2/5
c: 3x^2/x+2
d: 3x

Answer 1

Do you know what a rational expression is?

Answer 2

no

Answer 3

me either, http://www.wolframalpha.com/input/?i=define%3A+rational+function

Answer 4

ok well what do i do now?

Answer 5

Basically that's short for saying it's a fraction with polynomial as the numerator and denominator..

Answer 6

alright, so what's next? i'm not good at this at all

Answer 7

is a \[\frac{1}{3x^2}+5\]

Answer 8

that's not the answer @keana I was asking...

Answer 9

i know

Answer 10

did you get the answer? is that what a says?

Answer 11

the attachment doesn't work