Line up three discriminants of one sign
Exercise and reference answers
- Grid
- Group
- Two real
- Item
- 49
- Group
- One real
- Item
- 0
- Group
- Two complex
- Item
- -3
- Group
- Two real
- Item
- 16
- Group
- Two complex
- Item
- -20
- Group
- One real
- Item
- 0
- Group
- One real
- Item
- 0
- Group
- Two real
- Item
- 9
- Group
- Two complex
- Item
- -7
- Groups
- Item
- Two real
- Item
- One real
- Item
- Two complex
- Instructions
- Swap two neighbouring tiles so that three discriminant values of the same sign line up.
Explanation
_Source: OpenStax Intermediate Algebra (CC BY 4.0), section 9.3 Solve Quadratic Equations Using the Quadratic Formula_