Tangent and normal question from differential calculus
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Equation of a Line, Tangent Lines

On this page we hope to demonstrate the following:

Equation of a Line, standard form and point-slope
Ex: y = 3x + 4, y - 7 = 3(x - 1)

Finding x-intercept and y-intercept

Finding the equation of tangent lines
Ex: Find the equation of the tangent line of y = x3 at x = 2

Equation of a line

Standard Form

When we try to graph polynomials, we quickly find that a polynomial of single degree, where nothing is squared or square-rooted, is always going to be a line. Let's analyze the line y = 3x + 4, whose equation is written in standard form.

by Level 10 User (57.4k points)

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