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?

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, 341404143

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

Answers: 1

continue

Mathematics, 21.06.2019 20:00, claudia3776

What does the sign of the slope tell you about a line?

Answers: 2

continue

Mathematics, 21.06.2019 23:00, Pankhud5574

Is a square always, sometimes, or never a parallelogram

Answers: 2

continue

Mathematics, 22.06.2019 05:10, payshencec21

Situation: an archaelogist in turkey discovers a spear head that contains 54% of its original amount of c-14. n = noekt no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years find the age of the spear head to the nearest year

Answers: 3

continue

You know the right answer?

The Discriminant and the quadratic formula

Find the discriminant for each quadratic equ...