Is the function linear or nonlinear?

y=2x^2-4

A.
linear

B.
nonlinear

Question

Is the function linear or nonlinear?
 
 y=2x^2-4
 
 A.
linear
 
 B.
nonlinear

twizttiez · Answer

I think it's B

twizttiez · Answer

$$y=2x^2-4$$

k_lynn · Answer

I use this awesome online graphing calculator that my teachers gave me the link for. https://www.desmos.com/calculator If you type in your equation, you can see if it's linear or not.

k_lynn · Answer

It's also really easy to understand.

twizttiez · Answer

Ok thanks :)

anonymous · Answer

I believe any time x is raised to a higher power than 1 it is not linear.

twizttiez · Answer

Yush we were both right thankyou.

twizttiez · Answer

@k_lynn  could you help with 2 more?

k_lynn · Answer

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k_lynn · Answer

sure, I can do that.