Question 1

What is the general form of a quadratic inequality?

Accepted Answer

ax^2 + bx + c < 0 or ax^2 + bx + c > 0

Answer

a + b + c = 0

Answer

ax + by = c

Answer

ax + b > 0 or ax + b < 0

Answer

ax^2 + bx + c = 0

Question 2

Which of the following is the correct solution to the quadratic inequality x^2 - 4x < 0?

Accepted Answer

x < 0 or x > 4

Answer

x < 2 or x > 6

Answer

x < -4 or x > 0

Answer

x < -2 or x > 2

Answer

x < -6 or x > -2

Question 3

What is the discriminant of a quadratic equation?

Accepted Answer

b^2 - 4ac

Answer

b^2 + 4ac

Answer

2b - 4ac

Answer

b - 4ac

Answer

b^2 - 4a

Question 4

What is the range of a quadratic function with a > 0?

Accepted Answer

y ≥ 0

Answer

y ≥ a

Answer

y ≤ 0

Answer

y > 0

Answer

y < 0

Question 5

Which of the following is the correct solution to the quadratic inequality -2x^2 + 4x > 6?

Accepted Answer

x < -1 or x > 3

Answer

x < 1 or x > 3

Answer

x < -1 or x > -3

Answer

x < -3 or x > 1

Answer

x < 3 or x > -1

Question 6

Which of the following is the correct solution to the quadratic inequality x^2 + 2x < 3?

Accepted Answer

-3 < x < 1

Answer

x < -1 or x > 3

Answer

x < 1 or x > 3

Answer

x < -3 or x > -1

Answer

x < -3 or x > 1

Question 7

Which of the following is the correct solution to the quadratic inequality 2x^2 - 3x ≥ 2?

Accepted Answer

x ≤ -1/2 or x ≥ 2

Answer

x ≤ -1/2 or x ≥ 1

Answer

x ≤ -2 or x ≥ 1/2

Answer

x ≤ -2 or x ≥ 1

Answer

x ≤ -1 or x ≥ 2

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