Question

for what values of x is the square root of 3-x a real number?

Answer 1

<=3

Answer 2

Any value that is more than zero inside the square root

Answer 3

x has to be more than 3

Answer 4

thank you !

Answer 5

x has to be LESS than three ... right?

Answer 6

wait which one is it ?

Answer 7

im saying x needs to be <=3 because if it was >3 then u would have a negative number inside the square root, which cannot be dealt with until u know complex numbers

Answer 8

yeah you're right! haha thank you so much!