Can I use this blade to cut Hardyboard?
That's a stone/tile/masonry cutting blade with a diamond 'turbo' rim.

It will work for Hardie Backer board or similar fiber-cement products but it'll make a lot of dust, and would almost certainly be awful at cutting any sort of wood or wood paneling - more likely to burn through than cut it.
Some other rim types for diamond blades are:
Continuous 
Segmented 
Segmented Turbo