Answer:
Step-by-step explanation:
so we know that y=mx+c
c is the point where the line crosses the y-axis
y=mx+0
m is the gradient
the gradient is rise/run
pick any two points
so it is 2/1
2/1 is 2
therefore it is
y=2x+0
Answer: Both diagonals bisect each other.
21/25= %84
3/4= % 75
3/5= %60
13/20= %65