# MATH-KAL

## MATH-TEACHER Educational Software — Equations and inequalities of the Second Degree

### Math at your own pace

Awards full story... # Equations and inequalities of the Second Degree

Subject 1: Operations on irrational numbers.

• Level 1 : 3 ? 5
• Level 2 : ? 3 / ? 5
• Level 3 : (3/ ? 2)�
• Level 4 : ? 2 ? 3 / ? 5
• Level 5 : (7 - ? 3)(7 + ? 3)
• Level 6 : (3 - 2 ? 5)�
• Level 7 : (3 - 2 ? 5)(-7 ? 5 + 4)

Subject 2: Solving quadratic equations ax� + c = 0, ax� + bx = 0.

• Level 1 : Solve the equation 2x� + 3x = 0
• Level 2 : Solve the equation -3x / (x - 4) = x + 1

Subject 3: Solving quadratic equations ax� + bx + c = 0 having rational solutions.

• Level 1 : Solve the equation 2x� + 3x - 5 = 0
• Level 2 : Solve the equation x / (x - 2) = x - 2

Subject 4: Solving quadratic equations ax� + bx + c = 0 having irrational solutions.

• Level 1 : Solve the equation 2x� + 3x - 6 = 0
• Level 2 : Solve the equation x/(x - 2) = x - 7

Subject 5: Solving quadratic inequalities ax� + bx + c > 0.

• Level 1 : Solve the inequality 2x� + 3x - 5 > 0 About Us | Site Map | Privacy Policy | Contact Us | �2003 4:20 Communications, Inc.