Nato x or not based on the data in the table.
parla telt whether vis directly proportionat
price x
tax, y
10
0.70
15
1.05
20
1.40
25
1.75
a yes
no
part b if so, find the constant of proportionality
a 0.07
b07
c7
d they are not proportional
part 2: write the direct proportion equation.
ay=0.074 b 0.7 = y
cx=ty
they are not proportional
number of
packets
(x-axis)
1
2
3
cost
on w farovo
cy-axis)
2
4
6
q6:
the table above shows the cost
for packets of biscuit mix. draw
the direct proportion graph to
represent the above data.