maths

maths

1. distance between two points

   • finding the distance between two points A and B is the equivalent of finding the lengnth of a line segment . Therefore'the distance formula will also be used to find the legnth of a line segment.
   • formula + AM + (x - x ) + (y - y )

2. Midpoint of a line segment

   • The point that bisects a line segment is called the midpoint of the line segment. If C is the midpoint of AB then AC = CB .
   • Formula = m= ( )

3. Slope of a line given two points

   • Equation of a line
     • The equation of a line tells us how the x co-ordinate and the y co-ordinate of every point on the line are related to eachother.
       • Formula- the formula can be written in 3 ways. i) y - y =m(x - x) or y =mx + c or ax + by + c = 0

4. point of intersection of a line woth a X and Y axes

   • when a line cuts the x Axes the value of the y co ordinate is 0
   • Point if intersection of two lines
     • There are two main methods for finding when two lines intersect. A) Graph the two main methods for finding where two lines intersect. B) Use the method for solving simultaneous equations to find the point of intersection.