Quadratic Inequalities

• A
• B
• C
• D

Which of the following is the solution of the given Quadratic Inequality?

• 5 < y < 12

• 7 < y < 10

• 8 < y < 9

• 6 < y < 11

Which of the following is the solution of the given Quadratic Inequality?

• x < -5 or x > -4

• x > -5 or x < -4

• x < 5 or x > 4

• x > 5 or x < 4

Which of the following is the solution of the given Quadratic Inequality?

• 1/2 ≤ x ≤ 2

• -1/2 ≤ x ≤ 2

• -2 ≤ x ≤ -1/2

• -2 ≤ x ≤ 1/2

Which of the following is the solution of the given Quadratic Inequality?

• y ≥ -2 or y ≤ -5/2

• y ≤ -2 or y ≥ -5/2

• y ≥ 2 or y ≤ 5/2

• y ≤ 2 or y ≥ 5/2

To complete the perfect square trinomial in the expression x²-22x+_____, we need to add

• 11
• 44
• 121
• 144

Which of the following is NOT a method in solving a quadratic equation?

• Factoring

• Quadratic Formula

• Completing the Square

• Discriminant

In the quadratic formula, if b²-4ac>0, then the quadratic equation has

• two imaginary solutions
• two different real solutions
• two equal real solutions
• none of these

The solution of the quadratic equation
4x²-5x-9=0 are

• x=-1 or x=9/4
• x=1 or x=9/4
• x=2 or x=3
• x=-2 or x=-3