Graphs Flashcards
1
Q
Midpoint of a line
A
([X1 + X2] /2 , [Y1 + Y2] /2 )
2
Q
Gradient of a perpendicular line
A
M = (y2 - y1) / (x2 - x1)
3
Q
Equation of a linear graph
A
y = mx + c
4
Q
Equation of a circle
A
x2 + y2 =r2