Equation of a Line Flashcards
1
Q
What equation is a straight line describes by?
A
y=mx+c
2
Q
what does ‘m’ stand for in the equation?
A
Gradient
3
Q
What does ‘c’ stand for in the equation?
A
Y intercept
4
Q
What lines have the same gradient?
A
Parallel Lines
5
Q
What lines have an undefined gradient?
A
Vertical Lines
6
Q
What lines always have a gradient of 0?
A
Horizontal lines
7
Q
What is the General Equation?
A
Ax+By+c=0
8
Q
What gradient do parallel lines have?
A
The same
9
Q
What gradient do vertical lines have?
A
Undefined
10
Q
What gradient do horizontal lines have?
A
0
11
Q
How do you solve a question that gives two points and asks for the equation of the line?
A
Find the gradient then substitute into y-b=m(x-a)
