Quick quadratic picks

Exercise and reference answers

Questions

1. Question

   Degree of a quadratic equation

   Choices

   1. 1
   2. 3
   3. 2

   Correct choice

   2

2. Question

   Roots when b² - 4ac is negative

   Choices

   1. No real roots
   2. Two equal
   3. Two distinct

   Correct choice

   No real roots

3. Question

   Roots when b² - 4ac is positive

   Choices

   1. One root
   2. Two distinct
   3. Two equal

   Correct choice

   Two distinct

4. Question

   The roots of x² - 4 = 0

   Choices

   1. 4 and -4
   2. 0 only
   3. 2 and -2

   Correct choice

   2 and -2

Instructions

Pick the right answer before the next one arrives.

Explanation