Question

Never True? Sometimes True? Always True?
(x^a)(x^b)=x^ab

sqrt x^2=x

sqrt x^3=sqrt x^3

x^a/x^b= x^a-b

x^0=0

x^2+x^2=x^4

Answer 1

@jim_thompson5910 can you help with this??

Answer 2

how far did you get

Answer 3

I thin i only know one, thats why i really need help

Answer 4

which one are you referring to

Answer 5

x^0=0

x^2+x^2=x^4

these TWO i think the first is always true, and the senond is sometimes

Answer 6

both are incorrect

Answer 7

here are some rules that you should know by heart

http://www.mathsisfun.com/algebra/exponent-laws.html

Answer 8

yes! thanks , ill take a look at the link

Answer 9

you're welcome