
Understanding Quadratic Functions and Discriminants

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a positive discriminant indicate about a quadratic equation?
It has no real roots.
It has one real root.
It has two distinct real roots.
It has complex roots.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the discriminant of a quadratic is zero, what can be said about its roots?
It has two distinct roots.
It has one repeated root.
It has complex roots.
It has no roots.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the discriminant in classifying quadratics?
It defines the axis of symmetry.
It helps classify the nature of the roots.
It indicates the maximum value of the function.
It determines the vertex of the parabola.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a negative discriminant imply about a quadratic equation?
It has two distinct real roots.
It has one real root.
It has a maximum point.
It has no real roots.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a quadratic equation, what determines whether the parabola is concave up or down?
The discriminant.
The value of 'a'.
The value of 'c'.
The value of 'b'.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a positive definite quadratic?
A quadratic with all positive outputs.
A quadratic with all negative outputs.
A quadratic with no real roots.
A quadratic with a zero discriminant.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a negative definite quadratic?
A quadratic with all negative outputs.
A quadratic with two distinct roots.
A quadratic with a zero discriminant.
A quadratic with all positive outputs.
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