Answer:
To find the gradient it's the difference in the y values divided by the difference in the x values.
g
=
y
1
−
y
2
x
1
−
x
2
g
=
4
−
0
−
2
−
0
=
4
−
2
−
2
This means the equation is of the form
y
=
−
2
x
+
c
where
c
is the y intercept. But we know it goes through the origin (0,0)
#=> y=-2x+0
Step-by-step explanation:
