1) Direct path 2) Sobriety test challenge 
[n] - a line traced by a point traveling in a constant direction
A straight set of points that continue on to infinity in both directions. A straight line on the xy plane is defined by the equation:wherem = gradientc = intercept on y-axisWhen fitting a straight line to a set of experimental data the following may be applied to calculate the gradient (m) and y-axis intercept (c).
noun a line traced by a point traveling in a constant direction; a line of zero curvature; `the shortest distance between two points is a straight line`
Line that does not bend or curve. The graph of a linear relationship is a straight line and is often presented in the form y = mx + c, where m is the slope, or gradient, of the line and c is the y-intercept (the point at whi...
· noting a machine or mechanism the working parts of which act or are arranged in a straight line. · noting a mechanism for causing one part to move along a straight line.