Menu » Equations and inequalities

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• What is an equation?
• What is an inequality?
• Reversed arrow chain method
• Card method
• Linear equations (Balance method)
• Linear inequalities
• Quadratic equations (x²=number/sum-product-method/quadratic-formula)
• Quadratic inequalities
• Quadratic equations with a parameter
• Derivation of the quadratic formula
• Simultaneous equations
• Exponential equations
• Fractional equations
• Power equations
• Higher degree equations
• Higher degree inequalities
• Logarithmic equations
• Trigonometric equations
• Equations with fractional exponents
• Modulus equations
• Square root equations
• Enclosure method