Gradients Flashcards
1
Q
How do we find the gradient of a line?
A
We can use the coordinates or we can use the angle
2
Q
How do we find the gradient using the coordinates?
A
m=y2-y1
x2-x1
3
Q
How do we find the gradient using the angle?
A
m=tan (symbol)
4
Q
Lines parallel to the y-axis have a gradient of what?
A
An undefined one
5
Q
Lines parallel to the x-axis have a gradient of what?
A
0
6
Q
Lines which slope upwards, have a what gradient?
A
A positive one
7
Q
Lines which slope down, have a what gradient?
A
A negative one
8
Q
Tan90 = what gradient?
A
undefined
9
Q
Tan0 = what gradient?
A
0
10
Q
Tan45 = what gradient?
A
1
11
Q
Tan135 = what gradient?
A
-1
12
Q
Parallel Lines have what gradient?
A
The same
