Chapter 5 - Straight Line Graphs Flashcards
1
Q
equation of a line
A
y=mx+c
2
Q
perpendicular gradient
A
negative reciprocal
3
Q
prove two lines are perpendicular
A
product of gradients is -1
4
Q
parallel lines have
A
the same gradient
5
Q
points of intersection can be found by using
A
simultaneous equations
6
Q
gradient
A
change in y / change in x
