How do I view 2 apps as a multitasking Split View on an iPad Air 2 running iOS 9?
This is for sure an iPad Air 2, correct? It should have TouchID (a fingerprint sensor) on the front.

To verify the model, go to the settings app, General, About:


Model MH2P2LL/A is an iPad Air 2


Other ways to identify your iPad are at https://support.apple.com/en-us/HT201471