Special Lines Flashcards
1
Q
When the line is horizontal, what is the gradient
A
The gradient is 0
2
Q
if m = 0
y = mx + c
can be reduced to?
A
y = c
as 0 * x = 0
3
Q
An equation that is y = c
where c is the y-intercept
indicates the line is horizontal or vertical?
A
horizontal
4
Q
An equation that is x = c
where c is the x-intercept
indicates the line is horizontal or vertical?
A
vertical
5
Q
What is the equation of the y - axis?
A
x = 0
6
Q
What is the equation of the x - axis?
A
y = 0
7
Q
Identify the point (e, f)?
A
(3, 2)
8
Q
What is the value of a?
A
4
this is the y-intercept of the line y = -2x + 4
9
Q
What is the equation of line B?
A
y = 4
