Quadratic graph features — define?
Vertex, axis of symmetry, concavity, and range.
Number of solutions — determined by?
Discriminant value (b² - 4ac).
Vertex — definition?
Highest or lowest point on parabola.
Axis of symmetry — role?
Divides parabola into mirror images.
Concavity — direction?
Opens upward or downward.
Range — depends on?
Vertex and concavity.
Solutions of quadratic — also?
Quadratic roots or zeroes.
Discriminant — formula?
b² - 4ac.
Number of solutions — determined by?
Discriminant value.
Answer 8 questions on Mastering Quadratic Graphs and Solutions.
1. How do the vertex and the axis of symmetry of a quadratic graph relate to each other?
2. A quadratic equation has a discriminant value of 9. How many real solutions does it have?
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