Mathematics, 05.05.2020 11:19 raytaygirl

The Discriminant and the quadratic formula

Find the discriminant for each quadratic equation. State the number of real roots and then find the real solution(s), if any exist.
1. x2 - 6x + 5 = 0

2. 2x2 - 4x - 6 = 0

3. 3x + 4x2 + 5 = 0

4. 6x – 9 = x2

5. 3x2 = 6x – 8

6. 4x2 - 9x – 2= 0

7. x (2x – 5) = 10

8. What is the relationship between the discriminant of a quadratic and its graph?

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The Discriminant and the quadratic formula

Find the discriminant for each quadratic equ...

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