5. Straight Line Graphs Flashcards
1
Q
How do you find the gradient of a line?
A
X2 - X1
2
Q
What is the equation of a line?
A
Y - y1 = m ( X - x1 )
3
Q
What are parallel and perpendicular lines?
A
Parallel = same gradient Perpendicular = gradient of -1 / m
4
Q
What is the equation the distance between two points?
A
Root: (X2 - X1)2 + (Y2 - Y1)2
