Question

If y is directly proportional to x and y = 20 when
x = 5,
1 (i) find an equation connecting x and y,
(ii) draw the graph of y against x.​

Answer 1

Answer:

first,if y is directly proportional to x

then,

acc. to ques

y=kx,but x=5andy=20

so,

k=4,now equation is y-4x=0