Stop on the right root count

Exercise and reference answers

Questions

1. Answer

   Two solutions

   Question

   The discriminant is positive.

2. Answer

   One solution

   Question

   The discriminant is zero.

3. Answer

   No real solution

   Question

   The discriminant is negative.

4. Answer

   One solution

   Question

   The quadratic is a perfect square.

Choices

1. Two solutions
2. One solution
3. No real solution

Instructions

Tap once to start the sweep, then tap again to stop it on the right count.

Explanation