Is 'To Back' Separable or Inseparable? - Phrasal Verb Quiz

Quiz for Verb: 'To Back'

Is the phrasal verb 'To Back' separable or inseparable in the following examples?

'Back off' - Retreat

'Back up' - Support

'Back away' - Retreat or go backwards

'Back into' - Enter a parking area in reverse gear

'Back out' - Fail to keep an arrangement or promise

'Back down' - Retract or withdraw your position or proposal in an argument

'Back out of' - Fail to keep an agreement, arrangement

'Back up' - Make a copy of computer data