Quadratic Functions and Equations · Algebra and Modeling
The Discriminant and Nature of Roots
Using the quadratic formula to predict the number and type of solutions for a quadratic equation.
Key Questions
- 1How does the value of the discriminant determine the intersection points of a parabola and the x-axis?
- 2Why might a real world problem result in non-real roots, and what does that imply about the model?
- 3How can we use the discriminant to determine if a quadratic is a perfect square?
Ontario Curriculum Expectations
ON: Quadratic Functions - Grade 11
Grade: Grade 11
Subject: Mathematics
Unit: Quadratic Functions and Equations
Period: Algebra and Modeling
Suggested Methodologies
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