A straight line, a telephone line, a shipping line, a fishing line.
a line
In geometry a straight line that touches a curve is called a tangent.
Straight
This problem can be solved with the Calculus of Variations. Seehttp://en.wikipedia.org/wiki/Calculus_of_variations#The_Euler.E2.80.93Lagrange_equation
pH is a logarithmic scale; because of the way calculus and maths works, graphing such a scale against a log results in a straight line.
I am pretty sure its a line segment.
A straight line, a telephone line, a shipping line, a fishing line.
a line
In geometry a straight line that touches a curve is called a tangent.
There is no particular name.
Straight
This problem can be solved with the Calculus of Variations. Seehttp://en.wikipedia.org/wiki/Calculus_of_variations#The_Euler.E2.80.93Lagrange_equation
In calculus, arcs don't have to be curvy, they can be straight, so just draw a line segment that is 24 units long.
Collinear lines lie on the same straight line.
A Linear graph
straight line.