Straight Line Graphs Flashcards
1
Q
What is the origin?
A
The origin is the point (0, 0).
2
Q
How are coordinates written?
A
(x, y)
3
Q
How do you know if a graph will be a straight line?
A
If the equation can be rearranged into y = ax + b then it is a straight line graph.
4
Q
What forms do vertical and horizontal lines take?
A
Vertical lines take the form x = k and horizontal lines take the form y = c.
5
Q
On a graph of form ax + b, what is the gradient?
A
a
6
Q
What is a gradient?
A
Δy/Δx
7
Q
What defines parallel lines?
A
Lines that have the same gradient.
