Question

Graph y > x^2 - 5.
which one is the right graph?

Answer 1

please help-

Answer 2

not very sure, but i guess it 1st one...

Answer 3

You can try different values to see what works.

Answer 4

Try x = 0 first

Answer 5

y > x^2 - 5
y >(0)^2 - 5
y > 0 - 5
y > -5

is y > -5 when x = 0 ?

Answer 6

lol, i tried the same way.. but still was not sure :)

Answer 7

Well, actually, I think that's because you're supposed to use specific points

Answer 8

But 0,-5 is a point

Answer 9

You're supposed to use points on either side of the graph to see if they are true.

Answer 10

ok..

Answer 11

could you help me with this one too http://openstudy.com/study#/updates/5023f643e4b02dfe099ab603