how to drw line y=m*x+b?

i am having values

m=0.00914
x=641.4
b=17.1317

how to draw line with this poins I have done this code for it but this is not solution

function line(x,m,b)
y=m*x+b;
plot(x,y);
end

Answer 1

[Kuifeng]

Maybe try m=0.00914; x0=641.4; b=17.1317; ezplot('0.00914*x+17.1317', [0 1000]) hold on, plot(x0, m*x0+b,'ro') axis tight