forms for equation of a line standard form to vertex 5 today we will use graph a line the is x sl image titled find the equation of a perpendicular line given an equation and point step 1 image titled find the distance between two points step 2 solution vertical line test definition examples lesson transcript study com for instance if the y value on this line went from 8 to 11 a horizontal and vertical tangent lines find quadratic line of symmetry image titled find the equation of a line step 10 some key topics that involve finding the equation of a line as an exercise plot the given two points and verify that they lie on a vertical line image titled use distance formula to find the length of a line step 1 demonstrate graphically the meaning of slope rise run rise as the vertical distance we will use a given rational function as an example to show ytically how to find a vertical asymptote and a hole in the graph of that function image titled find the slope of an equation step 4 equation of the tangent line tangent line approximation and rates of change she loves math image titled find the y intercept step 1 image titled find the equation of a line step 23 image titled find the equation of a line step 16 image titled find the slope of an equation step 1 image titled find the equation of a line step 7 image titled find the equation of a line step 9 if this road were on level ground it would have just one vanishing point on the horizon changes in terrain call for more than a single vanishing point angle inclination of a line concept trigonometry by brightstorm negative slope lines definition examples lesson transcript study com for any parabola we will find the vertex and y intercept in addition if the x intercepts exist then we will want to determine those as well finding the normal line to a curve definition equation lesson transcript study com vertical line test example