Run the quadratic gates

Exercise and reference answers

Questions

1. Correct

   1

   Choices

   1. 1
   2. 3
   3. 5

2. Correct

   36

   Choices

   1. 16
   2. 36
   3. 20

3. Correct

   49

   Choices

   1. 25
   2. 36
   3. 49

4. Correct

   Two distinct

   Choices

   1. Two distinct
   2. Two equal
   3. None

5. Correct

   1 and 1.5

   Choices

   1. 2 and 3
   2. 1 and 1.5
   3. 1 and 3

6. Correct

   1 and -5

   Choices

   1. 5 and -1
   2. 1 and 5
   3. 1 and -5

Instructions

Pick the discriminant, then the root count, then the roots.

Explanation