Tap which way the parabola opens

Exercise and reference answers

Questions

1. Items

   1. Text

      Squared term is +

      Matches the category

      Yes

   2. Text

      Vertex is lowest

      Matches the category

      Yes

   3. Text

      Squared term is -

      Matches the category

      No

   4. Text

      Vertex is highest

      Matches the category

      No

   Category

   Opens upward

2. Items

   1. Text

      Squared term is -

      Matches the category

      Yes

   2. Text

      Vertex is highest

      Matches the category

      Yes

   3. Text

      Squared term is +

      Matches the category

      No

   4. Text

      Vertex is lowest

      Matches the category

      No

   Category

   Opens downward

Instructions

Tap only the items that belong to the named case.

Explanation