Discriminant & Nature of the Roots

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Discriminant & Nature of the Roots

​Find the discriminant & nature of the root of the quadratic equation 5x² + 6x - 6 = -8

Multiple Choice

Given the graph, what is the sign of the discriminant, and the number & nature of the root?

• Discriminant is zero; 1 real root (repeated).
• Discriminant is positive; 2 distinct real roots.
• Discriminant is negative; no real roots.
• Discriminant is zero; 2 real roots (distinct).

Multiple Choice

Find the discriminant, number and nature of the roots of quadratic equation.

• Discriminant: 121, Number of roots: 2, Nature of roots: Distinct real roots.
• Discriminant: 64, Number of roots: 1, Nature of roots: Complex roots.
• Discriminant: 0, Number of roots: 2, Nature of roots: Repeated real roots.
• Discriminant: 36, Number of roots: 3, Nature of roots: Distinct complex roots.

​Practice Exercises:

​Rearrange and match the cards to its appropriate quadratic equation, discriminant, number and nature of the roots.

Practice Exercises: 20 minutes

• Choose your buddy to work with the given activity.
• Sort the given quadratic equations, and divide them with

your partner.

• Answer the assigned cards and find the discriminant of the

given quadratic equation.

• Match these cards ( discriminant & nature of the root) to

its appropriate equation.

• Arrange it in a 3x7 format.
• Wait for my instruction, after you have completed the

activity.