Solve the quadratic equation by using the quadratic formula.

3×2 + 4x + 10 = 0

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Solve the quadratic equation by using the quadratic formula.

0.4×2 + x ­- 0.3 = 0

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Solve the quadratic equation by using the quadratic formula.

-3×2 ­ – 5x + 2 = 0

A.
B.
C.
D.

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In which case would it be best to use the “Factoring Method” to solve the trinomial equation?

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a. x2 + 4x = -­5

b. 4.3×2 + 2.4x -­ 3 = 0

c, x2 ­ – 4x + 3 = 0

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Which graph shows a quadratic function which has a discriminant of 0?

A.	B.
C.	D.

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If a quadratic equation has a discriminant of 16, what is not always true about its solutions?

---

a. All solutions are rational numbers

b. All solutions are real numbers

c. All solutions are integers

d. There are two solutions

———————————————————–

If a quadratic equation has a discriminant of 16, what is not always true about its solutions?

---

a. All solutions are rational numbers

b. All solutions are real numbers

c. All solutions are integers

d. There are two solutions

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How many real solutions does a quadratic equation have if it discriminant is 103

---

a. 0

b. 1

c. 2

d. 3

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How many real solutions does a quadratic equation have if its discriminant is- ­3?

---

a. 0

b. 1

c. 2

d. 3

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Find the discriminant of the quadratic equation.

-12×2 + 5x + 2 = 0

---

a. 121

b. 71

c. -71

d. -121

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Find the discriminant of the quadratic equation.

9×2 ­ – 6x ­ – 4 = 0

---

a. 108

b. 180

c. -108

d. -180

 

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