1.What is the equation of second degree that uses an inequality sign instead of an equal sign?
A. Linear Equation
B. Linear Inequality
C. Quadratic Equation
D. Quadratic Inequality

2. How many roots does a quadratic inequality have?

A. 1 B. 2 C. 3 D. 4


3. Which of the following inequalities is quadratic?

A. 5x3 + 3x > 4
C. x2 + 4x + 5 < 0

B. 5x + 8 ≥ 0
D. 6x + 9 < 0​