Maths

• what are the missing sections A and B in the quadratic formula?

  quadratic formula:

  A) 2a

  B) b^2-4ac

  
• what is the median?

  the middle value in an ordered set of numbers
• what is the range?

  the highest number - the lowest number
• how do you work out the mean?

  add all the numbers then divide by the number of values
• what is the mode?

  the value that appears most frequently
• when given the hypotenuse and adjacent, you use

  cos
• when given the adjacent and opposite, you use

  tan
• when given the hypotenuse and opposite, you use

  sin