Question

5x^2 =10 solve using radicals,rstionalize all denominators express complex numbers in terms of i or use a comma to separate answers if needed

Answer 1

divide both sides by 5
x^2 = 2
now take square roots of both sides

Answer 2

is that ok?

Answer 3

im just not sure how to do this one it leaves the answer open to too many possibilities

Answer 4

well the square root of x^2 is , by definition, x
and there are 2 sq roots of 2:

Answer 5

\[\sqrt{2} , -\sqrt{2}\]

Answer 6

there are no complex numbers in this result - just two radicals

Answer 7

i see makes sense

Answer 8

if this were a grapg what would the x intercepts be