How to use two separate colours for two lines in a single 'Plot' within the 'With' command?

Question

'''With[{k = {1, 10}}, Plot[k*x^2, {x, 0, 1}]]'''

I want to use two separate colours for two k values. How to do that? Thanks in advance.

kglr · Accepted Answer

Wrap the first argument of Plot with Evaluate
With[{k = {1, 10}}, Plot[Evaluate[k*x^2], {x, 0, 1}]]

Alternatively, add the option Evaluated -> True:
With[{k = {1, 10}}, Plot[k*x^2, {x, 0, 1}, Evaluated -> True]]

same picture

One Answer