straight line graphs Flashcards
1
Q
how do you write coordinates?
A
(x,y)
2
Q
what does the line’s equation tell us?
A
the relationship between the thepoints on the line
3
Q
what is the equation layout for a line?
A
y=mx+c
4
Q
what is x on the y intercept?
A
0
5
Q
what is y on the x intercept?
A
0
6
Q
what is m on the equation?
A
gradient
7
Q
what is c on the equation?
A
y intercept
8
Q
how do you find the gradient?
A
draw a triangle under the line, change in y divided by change in x
9
Q
what is the calculation for the gradient from two coordinates?
A
m=y2-y1 over x2-x1 = fraction =gradient
