y is partly constant and partly varies as x, when x=5,y=8 and when x=6,y=4.find the equation of the variation of x and y.find y when x=15
6 answers
I don't know please just help me by working it out.Thanks.
y = kx + c
You have the points (5,8) and (6,4) so
5k+c = 8
6k+c = 4
Now just solve for c and k, and find y as desired.
You have the points (5,8) and (6,4) so
5k+c = 8
6k+c = 4
Now just solve for c and k, and find y as desired.
I don't fear it
I don't get it. Explain further
it is very cunny ,I worked many times till I did not get it.
I have get the answer