Knock out the false billing claims

Exercise and reference answers

Questions

1. Question

   Three of these claims about a standing charge and a rate per unit are false.

   Choices

   1. Item

      The rate per unit sets the steepness

      Correct

      Yes

   2. Explanation

      A standing charge lifts the whole line and leaves the steepness alone.

      Item

      The standing charge sets the steepness

   3. Explanation

      A rate of zero gives a flat line, level all the way across.

      Item

      A rate of zero gives a line up the page

   4. Explanation

      The upright axis crossing gives the starting amount, not the rate.

      Item

      The steepness is read off the upright axis

Instructions

Tap the three false claims about a standing charge and a rate per unit to clear them.

Explanation