Math-8

• Exponents Rule of Addition


  A^m × A^n = A^(m+n)
• Radical Simplification


  Radical can be simplified by dividing the radicand by the index
• Linear Equation Solving


  Solve one-step equations by simplifying each side, solve two-step equations by isolating the variable
• Percentage Increase


  To find percentage increase, subtract the original value from the new value and divide by the original value
• Ratio Simplification


  Reduce a ratio to its simplest form by dividing both numbers by their greatest common divisor
• Proportional Relationships


  If two quantities are proportional, their ratio is constant
• Angle Properties


  Angles in a line add up to 180°, vertically opposite angles are equal
• Perimeter and Area Formulae

  Perimeter = 2 × (length + width), Area = length × width
• Median Calculation


  Finding the median by arranging values in order and choosing the middle value
• Mean Calculation


  Finding the mean by summing all values and dividing by the number of values